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P.Mokshith Kumar 4 years, 6 months ago

A seed drill (also hoe drill; seeder) is a device used in agriculture that sows seeds for crops by positioning them in the soil and burying them to a specific depth. This ensures that seeds will be distributed evenly.

Mamta Ahuja 4 years, 6 months ago

Sowing

Nuha Thaha 4 years, 6 months ago

Jyoti Sharma 4 years, 6 months ago

Seed drill is used for agriculture

ANSWER

. What are weedicides? Give one example.

Posted by Anshul Yadav 4 years, 6 months ago

CBSE > Class 08 > Science

5 answers

Sumit Lohra 4 years, 5 months ago

weeds are the unwanted plants that grow naturally along with crops are called weeds . we can control them with help of khurpi or chemicals like 2-4D called weedicides or weeding

Aspirant Aspirant 4 years, 5 months ago

Weedicides are chemicals used for killing weeds. One example - 2D.

Parul Thakur 4 years, 5 months ago

The chemical used for killing of weeds are called weedicides

Divyansh Jain 4 years, 6 months ago

Weeds are the unwanted plants which grow near the plants. They affect the growth of the plants as they take minerals and nutrients from the plant. Weedicides are the chemicals which help in killing weeds. Weeds can also be removed by a khurpi.

Jyoti Sharma 4 years, 6 months ago

Weeds are the unwanted plants which grow along the main plants and complete with water, minerals, nutrients etc... Examples- Xanthium, fieldbindweed, quack grass etc. Weedicides are the chemicals which help in killing the weeds which acts like a manure

ANSWER

Name the factors on which shape of the cells depend

Posted by Ruthvik M 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Yugesh Ranganath 4 years, 6 months ago

The shape of the cell depends on the cell membrane. Its porous and provides shape and rigidity to cells.

Jyoti Sharma 4 years, 6 months ago

The shape of the cells depend on the type of work or the function done by them. The shapes may be round, spherical or irregular

ANSWER

We do not sense any pain when we clip our nail or cut our hair why

Posted by Prasiddha Shetty 4 years, 6 months ago

CBSE > Class 08 > Science

4 answers

Bhoomi Panwar 4 years, 5 months ago

We do not feel any pain because they are made upnof dead cells whereas if u would pull it hair from roots u would get pain Second wale ka answer Bata do

Suresh Gor 4 years, 6 months ago

Lol because it mad of dead sell

Jyoti Sharma 4 years, 6 months ago

Because our nails are made up of the dead cells..

Shruti ? 4 years, 6 months ago

Because they are made up of dead cells

ANSWER

State electrostatic force? Is it a contact force or a non contact force? (Knowledge )

Posted by Parwinder Singh 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Sumit Lohra 4 years, 5 months ago

It is defined as that when a charge body exert some force on another charge body is called electrostatic forces.

Gurmehak Kaur 4 years, 5 months ago

The force exerted by a charged body on another charged or uncharged body is known as electrostatic force and it's a non - contact force

Pavan Kumar 4 years, 6 months ago

The electrostatic force is an attractive and repulsive force between particles are caused due to their electric charges. The electric force between stationary charged body is conventionally known as the electrostatic force. It is also referred to as Columb's force...... And it's non contact force

ANSWER

Can you store the lemon pickle in an aluminum utensil? Explain

Posted by Tedrick Isaac 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Suresh Gor 4 years, 6 months ago

Jyoti Sharma 4 years, 6 months ago

No, we cannot store the lemon pickle in aluminium utensil because aluminium is a metal and lemon is acidic..

Bhumika Sharma 4 years, 6 months ago

ANSWER

What do you mean by deforestation?

Posted by Tedrick Isaac 4 years, 6 months ago

CBSE > Class 08 > Science

5 answers

Aspirant Aspirant 4 years, 5 months ago

Deforestation refers to the decrease in forest areas across the world that are lost for other uses such as agricultural croplands, urbanization or mining activities.

Parul Thakur 4 years, 5 months ago

Cutting of trees in large scale

Divyansh Jain 4 years, 6 months ago

Deforestation is a method of cutting down trees and forests of an area is known as Deforestation. Deforestation take happen because the construction of various houses and industries at a place to feed the growing population at the rate of 1.5 % per year. Another reason for Deforestation is due to the extraction of minerals and also due to the natural disasters like tsunamis , volacnic eruptions. This can be controlled by Afforestation. Afforestation is a method of planting more and more trees in a place.

Jyoti Sharma 4 years, 6 months ago

Cutting down of tress in forests is called deforestation

Kanishka Kava 4 years, 6 months ago

Cutting down a lot of trees and clearing of forests is known as deforestation

ANSWER

Number of images formed when two plane mirrors placed at the angle of 60°to each other

Posted by Heet Patel 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Suresh Gor 4 years, 6 months ago

3 image

Ridhima Mourya 4 years, 6 months ago

3 images

ANSWER

What is green house effect? Name any four green house gases.

Posted by Himanshi Rawat 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Himanshi Rawat 4 years, 6 months ago

Thanks a lot to you. You helped me a lot.??

Vishnumaya R 4 years, 6 months ago

It means an average increase in overall temperature in earth's surface. Four gases are methane,nitrogen, sulphurdiixide,nitricdioxide

ANSWER

जल संदूषण कैसे करें

Posted by Abhinandan Saroch 4 years, 6 months ago

CBSE > Class 08 > Science

0 answers

ANSWER

Is rayon obtained from natural resource

Posted by Pydipati Ananyaachyuth 4 years, 6 months ago

CBSE > Class 08 > Science

5 answers

Ridhima Mourya 4 years, 6 months ago

Yes, rayon is obtained from wood pulp

Nihal Ruthala 4 years, 4 months ago

Yes rayon is an natural resourse

Harshal Kumawat 4 years, 6 months ago

Yes, by wood pulp

Tirtha Kamdar 4 years, 6 months ago

True Rayon is obtained from natural resource.

Antriya Sailapathy 4 years, 6 months ago

false

ANSWER

Meaning of articles

Posted by Pydipati Ananyaachyuth 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Aspirant Aspirant 4 years, 5 months ago

A particular object or thing.

Jyoti Sharma 4 years, 6 months ago

Article is a particular item or object

Nihal Ruthala 4 years, 6 months ago

A peaceof writing included with others in a news paper, magazine, or other publication

ANSWER

Why insulators doesn't pass electricity and why conductors conduct electricity?

Posted by Mayank Kumar 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Nikita Chahar 4 years, 5 months ago

In conductors, there are valence electrons which are free to move and can pass electricity but in insulators there is the absence of valence electrons which move inside the matter and cause the flow of electricity

Mahek Bansal 4 years, 6 months ago

In a conductor, electric current can flow freely, in an insulator it cannot. Metals such as copper typify conductors, while most non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them. ... Most atoms hold on to their electrons tightly and are insulators

ANSWER

Define vector

Posted by Pranay Yadav 4 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Mahek Bansal 4 years, 6 months ago

Vectors are used in science to describe anything that has both a direction and a magnitude. ... The ball's velocity vector describes its movement—the direction of the vector arrow marks the ball's direction of motion, and the length of the vector represents the speed of the ball.

ANSWER

Which part of the sky can you find the Venus if it is visible at evening star

Posted by Aadhhaya Rastogi 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Jyoti Sharma 4 years, 6 months ago

If Venus is visible as a evening star i.e. after sunset, it appears in the western sky.

Himanshi Rawat 4 years, 6 months ago

Venus appears in the western sky aftersunset that is why it is called as evening star.

Pranay Yadav 4 years, 6 months ago

Different from different locations

ANSWER

What is called the converions

Posted by Ayush Raval 4 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Ayush Raval 4 years, 6 months ago

Don

ANSWER

A gropup of similar cells performing a specific function is called

Posted by Rohit Patil 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Divyanshi Jain 4 years, 6 months ago

A group of similar cells performing a specific function is called tissue. A stage between cell and an organ.

Khushi Deka 4 years, 6 months ago

Known as tissues, It is a cellular organizational level between cells and a complete organ.

ANSWER

What is testube baby

Posted by Deshmukh Sayid Rashidmiya Deshmukh Sayid 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Suresh Gor 4 years, 6 months ago

These

Himanshi Rawat 4 years, 6 months ago

I am replying to you PRANAY YADAV. You should not send these types of messages in this app as we all know that this is an educational app . Students come here for clearing their doubts and learning in a new way that is question and answer form. But you are doing these type of things here which is not right. So as to warn you I am sending this message. Thank you ??

Lavanya Chauhan 4 years, 6 months ago

In some women's oviducts are blocked . These women's are enable to bear babies because sperm cannot reach the egg for fertilisation . In such cases doctors collect freshly released egg and sperm and keep them together for few hours for IVF or in vitro fertilization . In case fertilisation occurs the zygote is allowed to develop for about a week and then it is placed in the mothers uterus. Complete development takes place and the baby is born like any other normal baby . Babies born through this technique are called test tube babies.

ANSWER

Did your exams start❓

Posted by V. Ridhanya Catherine 4 years, 6 months ago

CBSE > Class 08 > Science

5 answers

Pranay Yadav 4 years, 6 months ago

Yes

Aadhhaya Rastogi 4 years, 6 months ago

Yes

Lavanya Chauhan 4 years, 6 months ago

Yes

Deshmukh Sayid Rashidmiya Deshmukh Sayid 4 years, 6 months ago

Yes

Isha Amin 4 years, 6 months ago

Yes

ANSWER

Jay

Posted by Rohit Kumar 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Mahek Bansal 4 years, 6 months ago

A seed drill is an implement used in sowing.

Pragya Sharma 4 years, 6 months ago

Name the implement used in sowing

Sudhu Sab 4 years, 6 months ago

hallo

ANSWER

Diffence between human's carbon dioxide and coal's carbon dioxide.

Posted by Suhani ❤ 4 years, 6 months ago

CBSE > Class 08 > Science

4 answers

Tannie Tan⁷ 4 years, 6 months ago

An atom is the tiniest possible particle of any element, like carbon or oxygen. A carbon atom combines easily with two oxygen atoms to make the compound carbon dioxide. "C" stands for carbon, "O" stands for oxygen, so carbon dioxide is often called "C-O-2, and written "CO2." CO2 is a gas. It is invisible.

Karan Kohli 4 years, 6 months ago

Karan Kohli 4 years, 6 months ago

Whistle Y Gamer 4 years, 6 months ago

His send uid

ANSWER

You will provide the mixture of petroleum and water. How will you separate

Posted by Gotam Patel 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Jyoti Sharma 4 years, 6 months ago

Petroleum is lighter than water. We can separate these two by the method of decantation. Light petroleum can be poured carefully as it remains at the top of the water.

Ar᭄Adιтya A 4 years, 6 months ago

I will separate it with using physical properties of petroleum and water, Since petroleum has less density than water so it is lighter than water and in mixture it will float on water. Thus we can easily separate.

ANSWER

Tou are provided with a mixture of petroleum and water. How will you separate ?

Posted by Gotam Patel 4 years, 6 months ago

CBSE > Class 08 > Science

0 answers

ANSWER

What is lightning conductor

Posted by Akshat Rajput 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Tannie Tan⁷ 4 years, 6 months ago

Lightning conductor is a device used to protect a building from the effects of lightning. A lightning conductor is made of a thick strip of metal (usually of copper). The top end of lightning conductor is pointed like a sharp spike (or spikes) and it is fixed above the highest point of the building

Shikha Yadav 4 years, 6 months ago

A lightning conductor is a metal rod placed on a building and connected with the ground below to protect the building from being damaged by lightning. Its purpose is to offer a low resistance path to lightening and allow it to pass to the ground without impacting the building.

Vipan Kaur 4 years, 6 months ago

Lighting conductor is used in buildings to prevent building from lightning

ANSWER

List changes in the body that take place a puberty.

Posted by Akshat Rajput 4 years, 6 months ago

CBSE > Class 08 > Science

4 answers

Jyoti Sharma 4 years, 6 months ago

Hair develops under the armpit, under chest and in the public regions. Voice becomes deeper.Muscles develop, and shoulders become broad. Increase in weight..... Hope it helps

Pradnya Kumbhar 4 years, 6 months ago

1. Increase in height 2. Change in body shape

Mahek Bansal 4 years, 6 months ago

The changes in the body of puberty are: (i) Sudden increase in height. (ii) The bones of arms and legs elongate and make a person tall. (iii) Growing of hair at different parts of body. (iv) The voice of a boy gets hoarsed. (v) Development of *** organs. (vi)Growth of moustaches and beards in the boys. (vii) The breast in girls develops and hips become wider whereas in boys shoulders generally broaden.

Plaksha Chaudhary 4 years, 6 months ago

Following changes take place in the body during puberty: 1)Increase in Height. 2)Change in Body Shape. 3)Voice Change. 4)Increased Activity of Sweat and Sebaceous Glands. 5)Development of *** Organs. 6)Reaching Mental, Intellectual and Emotional Maturity......

ANSWER

Defins adilescence

Posted by Akshat Rajput 4 years, 6 months ago

CBSE > Class 08 > Science

3 answers

Pradnya Kumbhar 4 years, 6 months ago

The period of time when the body undergoes changes leading to reproductive maturity is called adolescence

Khushi Deka 4 years, 6 months ago

Adolescence* improve your spelling. Well it's define* not defins.. btw the ans is given by Vipan Kaur.

Vipan Kaur 4 years, 6 months ago

THE PERIOD OF LIFE WHEN THE BODY UNDERGOES CHANGES is called adolescence.

ANSWER

Which label shows angle of reflection

Posted by Kunal Adiwal 4 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Shikha Yadav 4 years, 6 months ago

AO is the incident ray OB is the reflected ray ON is the normal ∠AON is the angle of incidence ∠NOB is the angle of reflection.

ANSWER

Where did the earthquake accured in India in 2001?

Posted by Mahima Chahal 4 years, 6 months ago

CBSE > Class 08 > Science

5 answers

Tannie Tan⁷ 4 years, 6 months ago

26, 2001, in the Indian state of Gujarat, on the Pakistani border. The earthquake struck near the town of Bhuj on the morning of India's annual Republic Day (celebrating the creation of the Republic of India in 1950), and it was felt throughout much of northwestern India and parts of Pakistan.

Vipan Kaur 4 years, 6 months ago

Gujarat

Karthick Muralikannan 4 years, 6 months ago

Kunal Adiwal 4 years, 6 months ago

Which label shows angle of reflection

Tanu Singh 4 years, 6 months ago

Tru

ANSWER

Which is the youngest of coal

Posted by Shreya Yadav .V 4 years, 6 months ago

CBSE > Class 08 > Science

2 answers

Shikha Yadav 4 years, 6 months ago

Lignite Lignite - Sometimes called "brown coal," lignite is the youngest of the coal types, and has the lowest energy content, containing between 25 and 35 percent carbon.

Yukti Tandi 4 years, 6 months ago

Lignite