During lightening you are safer inside a house than under a tree. Why?

Is it safe to be inside a car during thunderstorm? Why?

These questions consist of two statements each,printed as Assertion and Reason.While asnwering these questions you are required to choose any one of the following four responses. Assertion:Carbonic acid is more formed inside the RBCs than the plasma Reason:An enzyme carbonic anhydrase is present inside the RBCs.

Under which of the following conditions are you most likely to fall sick ? (i) when you are taking examinations, (ii)when you have travelled by bus and train for two days, (iii) when your friend is suffering from measles. Why ?

If you are provided with two tubes (A and B). Where one is narrow and the other is relatively wider and if both are immersed in a beaker containing water as shown in the figure. Why does B show higher water rise than A?

Discuss why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing

A team of students are preparing to participate in the interschool sports meet. During a practice session, you find some vials with labels of certain cannabinoids. Will you report to the authorities? Why?

A survey was conducted by a groupofstudentsas a part of their enviromentawareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Which method did you use for finding the mean, and why?