Questions

The default return value from a function is int. In other words, unless explicitly specified the default return value by compiler would be integer value from function.

To the 6

Explanation:

Starting with the top left clockface and working clockwise around the others, the sum of the numbers pointed to by the 2 hands starts at 3 and increases by 2 each time.

Vehicle skids are most likely to be caused by Driving too fast on slipping road.

The Doppler effect or Doppler shift is the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. 

A nutrient is a substance used by an organism to survive, grow, and reproduce. These are compounds in foods essential to life and health, providing us with energy.

There are two types of nutrients:

1. Organic Nutrients
2. Inorganic Nutrients

Carbohydrates (CHO), Lipids (fats), Proteins and Vitamins come under organic nutrients as they contain carbon. These can add fat to the body.

Minerals and Water come under inorganic nutrients as they lack in carbon. These cannot add fat to the body.