Answer:
1. sunlight reflects to us from its surface
2. moons cycle
Answer:
Mutation
Explanation:
A mutation is a change in the sequence of genetic letters, called bases, within a molecule of DNA.
Answer:
The principle behind both types of solar panel – solar photostatic (PV) and solar thermal – is the same. They absorb raw energy from the sun and use it to create usable energy. In solar PV systems this is through the creation of electricity, whereas thermal systems are used directly for heating water or air.
