CBSE > Class 08 | CBSE Board | Homework Help

Marine pollution occurs when harmful effects result from the entry into the ocean of chemicals, particles, industrial, agricultural, and residential waste, noise, or the spread of invasive organisms. ... The pollution often comes from nonpoint sources such as agricultural runoff, wind-blown debris, and dust.

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( bracket x ki power 4 bracket minus y cube + Z

Posted by Abhay Tomar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Shourya Pratap Sangwan 7 years, 1 month ago

Type using symbols.plz.

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Explain laws of reflection

Posted by N Rohit 7 years, 1 month ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 7 years, 1 month ago

Laws of Reflection

Law 1 : The incident ray, the normal at the point of incidence and the reflected ray all lie in the same plane.

Law 2 : Angle of incidence is equal to the angle of reflection

Law 3 or Law of Lateral Inversion: In a image formed by a mirror, the left of the object appears to be the right and the right of the object appears to be the right. (Stand in front of the mirror and lift your right hand. In the mirror, it appears like you have lifted the left hand and viceversa)

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What is considered to be ultimate resource.....options a:Canada b:Human

Posted by Sumedh Dabir 7 years, 1 month ago

CBSE > Class 08 > Social Science

3 answers

Pushp Raj 7 years, 1 month ago

Option (b) : Human

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P. Kishore 7 years, 1 month ago

human

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Yash Baid 7 years, 1 month ago

Human

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Show on a line graph multiples of 2

Posted by Neetu Khurana 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

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How to solve 9.5

Posted by Ayush Surve 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Pushp Raj 7 years, 1 month ago

(a+b)(a+b) (a-b)(a-b) (a+b)(a-b) (x+a)(x+b)

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Pushp Raj 7 years, 1 month ago

With identity

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What is curved surface area of cuboid,cube and cylinder

Posted by Ranveer Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

3 answers

Shourya Pratap Sangwan 7 years, 1 month ago

Curved surface area of cuboid=2(L+B)H. Curved surface area of cube=4L^2 Curved surface area of cylinder=2(22/7)rh

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Muskan Jha 7 years, 1 month ago

C. S. A of a cylinder =2πrh

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Tarun Kumar 7 years, 1 month ago

Curved surface area of cuboid=2(l+b)h

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Find the volume of a cylinder given the circumference of the base is 176cm and hieght 30cm

Posted by Hemander Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Shourya Pratap Sangwan 7 years, 1 month ago

Circunference=176=2(22/7)r. 176×7/44=r. 28=r. Volume=(22/7)(r^2)h. V=(22/7)28×28×30=73920cm^2

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What are the effect of force?? Answer in points.

Posted by Saurabh Kumar 7 years, 1 month ago

CBSE > Class 08 > Science

4 answers

Saurabh Kumar 7 years, 1 month ago

please answer????????????

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Saurabh Kumar 7 years, 1 month ago

please answer n

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Saurabh Kumar 7 years, 1 month ago

who are you?? and where are you from??

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Yogita Ingle 7 years, 1 month ago

The action of a force can cause
(a) a stationary object to move,
(b) a moving object to change its speed
(c) a moving object to change its direction of motion
(d) an object to change in size and shape.

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According to the social reformers why was india society divided and backwards

Posted by Techno Guy 7 years, 1 month ago

CBSE > Class 08 > Social Science

0 answers

ANSWER

Diagonal AC AND BD of a rectangle ABCD INTERSECT each other at o if oa=7 cm find AC AND BD

Posted by Lucifer Legend 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Shourya Pratap Sangwan 7 years, 1 month ago

Diagonals of a rectangle bisect each other... They are equal and (hence) each divided into two equal parts.... Thus,AC=2AO=2×7=14cm...14cm=AC=BD..

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Vaishnav Bhosale 7 years, 1 month ago

Digonals of rectangle are equal If AC and BD intersect at point O OA is 7cm then it is half of AC so AC=7*2=14cm BD=AC so BD=14cm So AC is 14cm and BD is 14cm

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Difference between lateral surface area and total surface area

Posted by Vidhi Gallani 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Shourya Pratap Sangwan 7 years, 1 month ago

Lateral surface area=(perimeter of base)×h ...Total surface area=sum of area of all faces of the object...

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Yogita Ingle 7 years, 1 month ago

The lateral surface area is the area of all sides excluding the area of the base.

Total surface area of any solid is the sum of areas of all the faces of the solid.

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Vaishnav Bhosale 7 years, 1 month ago

The lateral surface area is the area of all sides excluding the area of the base. Total surface area of any solid is the sum of areas of all the faces of the solid.

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Vidhi Gallani 7 years, 1 month ago

Somebody please tell me answer tomorrow is my exam of maths

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compare the function of supremecourt and high court?

Posted by Sundar Bhusal 7 years, 1 month ago

CBSE > Class 08 > Social Science

0 answers

ANSWER

What means asexual repro....?

Posted by Prey Patel 7 years, 1 month ago

CBSE > Class 08 > Science

3 answers

Bhupinder Singh 7 years, 1 month ago

Asexual reproduction in which only single parent is involved

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Saloni Prajapati 7 years, 1 month ago

In which reproduction take place out side the female body is called asexual reproduction

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Sundar Bhusal 7 years, 1 month ago

The reproduction in which fertilization doesn't take place is called asexual reproduction

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rita said " i am going to market to take vegetables " vhange into past perfect

Posted by Anita Dwivedi 7 years, 1 month ago

CBSE > Class 08 > English

2 answers

Knishka Bhojrajka 7 years, 1 month ago

Rita said" she had gone to market to take vegetables" . Prakhar rawat you changed it into past continueous .

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Vedika Rawat 7 years, 1 month ago

Rita said she was going to the market to take vegetables

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What is the chemical equation of acid rain?

Posted by Ayush Singh 7 years, 1 month ago

CBSE > Class 08 > Science

1 answers

Vedant Joshi 7 years, 1 month ago

Oxides of sulphur + water So2+h2o=h2so4

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Do you think the ant did the right thing by disappointing the cricket (by not giving food and shelter)???

Posted by Vasu Bajpai 7 years, 1 month ago

CBSE > Class 08 > English

1 answers

Vedika Rawat 7 years, 1 month ago

Yes the ant did the correct thing to refuse the cricket from giving food. so that he should work by himself and collect food and not be lazy . But at the same time the ant was wrong also because she would help him as he was a good friend

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Can u guys say me how rate of reaction is related to concentration of reactants or products

Posted by Keerthana Keeru 7 years, 1 month ago

CBSE > Class 08 > Science

1 answers

Keerthana Keeru 7 years, 1 month ago

Pls can u telll.....

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What methods are adopted for cost cutting in union carbide plant at Bhopal?

Posted by Kanishka Sharma 7 years, 1 month ago

CBSE > Class 08 > Social Science

0 answers

ANSWER

Divide 8z³+486z-729-108z² by - 9+2z and check whether second polynomial is factor of first or not

Posted by Mobassira Khan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Shourya Pratap Sangwan 7 years, 1 month ago

Firstly...arrange the polynomials in standard form...(8z^3-108z^2+486z-729) and (2z-9)... Now, divide them using division method... Ans.=(4z^2-36z+81)..

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What is tilling??????

Posted by Harsh Rawat 7 years, 1 month ago

CBSE > Class 08 > Science