Questions

The chemical formula of Propane is

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Algae belongs to which of the following levels of the ecosystem?

Which is NOT an example of organism that breaks down the food material outside the body and then absorb it?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
Vaibhav said to me, "Has your father returned from work?"

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.

Teacher said to children, "Have you prepared well for the finals?"

According to the law of diminishing marginal utility, as the amount of a good consumed increases, the marginal utility of that good tends to 

The economic way of thinking stresses that