Questions

The main use of salt in the diet is to produce in small amounts the hydrochloric acid required for the digestion of food.

The sheet number on the map is found in bold print in both the upper right and lower left areas of the margin.

It will stop at a height where the weight of the balloon with contents is equal to the weight of air displaced by it, i.e , when the upthrust is equal to the downthrust. The question of bursting will depend on how much difference of pressure inside and outside , the material of the balloon can withstand. It is assumed the balloon is filled with a lighter than air gas like hydrogen or helium.

Venus is the only planet that rotates in clockwise where all other planets in the solar system rotates in anti - clockwise direction.