C Give reasons for the following.
1. The Sun can produce its own heat and light.
2. The Earth is called the Blue Planet.
3. The same side of the Moon faces the Earth at all times.
Answers
Answer:
the Duncan produce own light by it self
Answer:
1.The sun which is a star, can produce it's own heat and light because of the process of nuclear fusion between hydrogen and helium gas, which produces large amount of energy in the form heat and light
2.Planet Earth has been called the "Blue Planet" due to the abundant water on its surface. Here on Earth, we take liquid water for granted; after all, our bodies are mostly made of water. However, liquid water is a rare commodity in our solar system. ... Liquid water covers most of the surface of our planet.
3.The moon keeps the same face pointing towards the Earth because its rate of spin is tidally locked so that it is synchronized with its rate of revolution (the time needed to complete one orbit). In other words, the moon rotates exactly once every time it circles the Earth