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Subject: Science, asked on 21/3/17

Expalin the underlined lines in easy language

Subject: Science, asked on 20/3/17

​pls answer fast.no links pls.

Subject: Science, asked on 20/3/17

Question no 6

Subject: Science, asked on 20/3/17

Solve this:

Subject: Science, asked on 20/3/17

WHICH ANSWER IS CORRECT - FIRST OR SECOND?
Grass -> grasshopper -> frog -> snake.
If amount of foodchain available to plants is 10000 Joules , calculate energy available to frog.

Subject: Science, asked on 20/3/17

Can you add one more R in 3R principle to save our environment.

Subject: Science, asked on 20/3/17

Please answer

Subject: Science, asked on 19/3/17

​​What is biogas? Even though biogas releases carbon dioxide into the atmosphere on burning, it is
still considered to be a good source of energy. Why? plz dont give link

Subject: Science, asked on 19/3/17

Give an example of food chain of 5 trophic levels with The name of each trophic level

Subject: Science, asked on 19/3/17

Pond is artificial or natural ecosystem?

Subject: Science, asked on 18/3/17

what are fossils ? How do we know how old are the fossils?

Subject: Science, asked on 18/3/17

what is a full  form of DDT ?
​nd what is  a full form of CFC ?

Subject: Science, asked on 17/3/17

how various factors in the environment interect with each other ?

Subject: Science, asked on 17/3/17

Is there any possibility that due to evolution in next generations (say a thousand years later) , humans become adapted to excessive UV radiations and these radiations don't harm them ?

Subject: Science, asked on 17/3/17

In order to regulate the population of an organism , it is essential to have a organism which can eat it...Who regulates the population of the top most carnivore...eg:-eagle...?

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