What is the SI unit of heat energy?
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Which action is an example of direct democracy?
Which receptors adapt most slowly?
Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.
The study of economics is primarily concerned with
In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.
Number of chambers in reptiles heart?
Except crocodile which has 4 chambers, all the reptiles have 3 chambers in their heart.
Expand and simplify (2x + 5)2 *(4x - 1) - (3x3 - 16x2 + 25x - 21)