CBSE > Class 03 > Science | CBSE Board | Homework Help

The results from satellite orbits indicate that the upper atmosphere at heights of 200–300 km is on average rotating 1.3 times faster than the Earth, corresponding to a mean west-to-east wind of about 100 m/s in mid latitudes.

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What is a main source of water

Posted by Shrisai Dhangar 3 years, 2 months ago

CBSE > Class 03 > Science

5 answers

Ayana Shrimayi 2 years, 10 months ago

Rain

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Anay Tripathi 3 years, 1 month ago

Rain,rivers,lakes,ocean,sea,well, Under ground and taps.

1Thank You

Vaishnavi Rajawat 3 years, 1 month ago

Rain, well, tube well

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Arav Jha 3 years, 2 months ago

The main sources of water are surface water, groundwater and rainwater.

3Thank You

Aashi Singh 3 years, 2 months ago

The main sorce of water is rain

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T__MOR

Posted by Sudha Soundar 3 years, 2 months ago

CBSE > Class 03 > Science

2 answers

Mayur Madavi 3 years ago

Tumor

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Arav Jha 3 years, 2 months ago

TUMOR

1Thank You

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Who is Louis Braille

Posted by Ankush Yadav 3 years, 2 months ago

CBSE > Class 03 > Science

1 answers

Arjun Mehta 3 years, 2 months ago

Louis Braille is the inventor of the Braille code. The code is used to teach blind kids how to read

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What is the meaning of global warming

Posted by Nandini Rawat 3 years, 2 months ago

CBSE > Class 03 > Science

1 answers

Arav Jha 3 years, 1 month ago

Global warming, the gradual heating of Earth's surface, oceans and atmosphere, is caused by human activity, primarily the burning of fossil fuels that pump carbon dioxide (CO2), methane and other greenhouse gases into the atmosphere.

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What is means of communication

Posted by Akash V Kashyap 3 years, 2 months ago

CBSE > Class 03 > Science

1 answers

Arjun Mehta 3 years, 2 months ago

The meaning of communication is the way that people talk

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The 3rs of preventing pollution are are dash dash and dash

Posted by Gaurav Dadhich 3 years, 3 months ago

CBSE > Class 03 > Science

4 answers

Ankush Yadav 3 years, 2 months ago

Air and water

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Anay Tripathi 3 years, 2 months ago

Okay

2Thank You

Sadia Md 3 years, 3 months ago

Okay

3Thank You

Gaurav Dadhich 3 years, 3 months ago

Noise air and water

3Thank You

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What is a light

Posted by Parag Nagar 3 years, 3 months ago

CBSE > Class 03 > Science

3 answers

Arav Jha 3 years, 2 months ago

Light is a type of energy that makes it possible for us to see the world around us.

1Thank You

Ankush Yadav 3 years, 2 months ago

Light is form of electromagnetic engery which gives us bright and power to see anything....

1Thank You

Ishi Dubey 3 years, 3 months ago

Light is a bright thing

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What are fats

Posted by Mohd. Zuhaib Khan 3 years, 3 months ago

CBSE > Class 03 > Science

1 answers

Arav Jha 3 years, 2 months ago

Fats are nutrients in food that the body uses to build nerve tissue (including the brain and nerves) and hormones. The body also uses fat as fuel. If fats eaten aren't burned as energy or used as building blocks, they're stored by the body in fat cells.

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What is meaning of raw

Posted by Prachi Joon 3 years, 3 months ago

CBSE > Class 03 > Science

3 answers

Arjun Mehta 3 years, 2 months ago

Raw means that the thing that is going to be consumed is not cooked

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Ishi Dubey 3 years, 3 months ago

Food is not cooked

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Prachi Joon 3 years, 3 months ago

Of food not cooked

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What is the difference between metiour and astroid pls ?? tell

Posted by Tiya. Nerd 🤓 3 years, 3 months ago

CBSE > Class 03 > Science

1 answers

Arav Jha 3 years, 2 months ago

Asteroid: a large rocky body in space, in orbit around the Sun. Meteoroid: much smaller rocks or particles in orbit around the Sun. Meteor: If a meteoroid enters the Earth's atmosphere and vaporizes, it becomes a meteor, which is often called a shooting star.

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differences between winter and summer

Posted by Kool Lama 3 years, 3 months ago

CBSE > Class 03 > Science

5 answers

Ishi Dubey 3 years, 3 months ago

In winters the day are short and night are long

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Ishi Dubey 3 years, 3 months ago

In summer the sun shines very brightly

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Ishi Dubey 3 years, 3 months ago

In summer the day are long and hot.

1Thank You

Rrajalakshmi Selvan 3 years, 3 months ago

Summer will hot Winter will cold

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Yogita Ingle 3 years, 3 months ago

SUMMER
1 the sun is bright and the sky is clear
2 people like drinking cold drinks n ice cream
3 ppeople likes to go for swimming,fishing
4 the season starts from June to August in northern hemisphere n from December to February in southern hemisphire
WINTER
1 the weather is cold n gray
2 people like drinking tea
3 people likes to go for ice skating
4 the season starts from December to February in the northern hemisphere n June to August in southern hemisphere

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Meaning of Nibble

Posted by Spoorthi Kulkarni 3 years, 4 months ago

CBSE > Class 03 > Science

4 answers

Arjun Mehta 3 years, 2 months ago

To eat something in very small bites

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Rrajalakshmi Selvan 3 years, 3 months ago

Wise

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Hardik Wagh 3 years, 3 months ago

1Thank You

Spoorthi Kulkarni 3 years, 4 months ago

Who gnaw the food

3Thank You

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What happened when water is heated

Posted by Rocky Reieud 3 years, 4 months ago

CBSE > Class 03 > Science

5 answers

Ishi Dubey 3 years, 3 months ago

When water get heated the water became water vapour

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Mohd. Zuhaib Khan 3 years, 3 months ago

When water is heated, it will be change into air

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Tanish K 3 years, 3 months ago

When water is heated water turns into gas which is called water vapor

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Rrajalakshmi Selvan 3 years, 3 months ago

Melt

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Yogita Ingle 3 years, 4 months ago

when water is heated it converted into gas.

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What is matter

Posted by Aaradhya Nair 3 years, 4 months ago

CBSE > Class 03 > Science

3 answers

Shaurya Singh 3 years, 3 months ago

Any thing that oukupay space and have mass is called matter

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Rrajalakshmi Selvan 3 years, 3 months ago

All matter (or substances) is made up of small particles.

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Tiya. Nerd 🤓 3 years, 4 months ago

A matter is like mauntains and hills

1Thank You

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Question

Posted by Kavya K Gowda 3 years, 4 months ago

CBSE > Class 03 > Science

1 answers

Rrajalakshmi Selvan 3 years, 3 months ago

What is matter

1Thank You

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What is asid

Posted by Akshat Bhati 3 years, 4 months ago

CBSE > Class 03 > Science

5 answers

Tanish K 3 years, 3 months ago

Acid is toxic waste

0Thank You

Ranjeet Maurya 3 years, 4 months ago

Bataiye

0Thank You

Ranjeet Maurya 3 years, 4 months ago

APP mein paisa Lagta hai ki Nahin padhne ka

1Thank You

Ranjeet Maurya 3 years, 4 months ago

Environment ka paribhasha

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Meghna Thapar 3 years, 4 months ago

Acid, any substance that in water solution tastes sour, changes the colour of certain indicators (e.g., reddens blue litmus paper), reacts with some metals (e.g., iron) to liberate hydrogen, reacts with bases to form salts, and promotes certain chemical reactions (acid catalysis). Examples of acids include the inorganic substances known as the mineral acids—sulfuric, nitric, hydrochloric, and phosphoric acids—and the organic compounds belonging to the carboxylic acid, sulfonic acid, and phenol groups. Such substances contain one or more hydrogen atoms that, in solution, are released as positively charged hydrogen ions (see Arrhenius theory).

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A pet dog is usually healthier than a stray dog

Posted by Mishika Bhardwaj 3 years, 5 months ago

CBSE > Class 03 > Science

1 answers

Yogita Ingle 3 years, 5 months ago

A pet dog is taken care by the family and given healthy food and also the street dogs don't take care do not taken care by the family members and not habituated to proper food hence they can't be healthier than the pet dogs.

2Thank You

ANSWER

A pet dog as you live a healthier than a stray dog

Posted by Mishika Bhardwaj 3 years, 5 months ago

CBSE > Class 03 > Science

1 answers

Yogita Ingle 3 years, 5 months ago

A pet dog is taken care of by the family and given healthy food and also the street dogs don't take care do not take care of by the family members and not habituated to proper food hence they can't be healthier than the pet dogs

2Thank You

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Dog is as usually healthier than a street dog

Posted by Mishika Bhardwaj 3 years, 5 months ago

CBSE > Class 03 > Science