Answer:
Solar energy is a renewable free source of energy
Explanation:
It is sustainable and totally inexhaustible, unlike fossil fuels which are finite. It is also a non-polluting source of energy and it does not emit any greenhouse gases when producing electricity.
Hmm.... Oxygen support combustion. Other than that, rusting occur when oxygen is combined with metal. When iron rusts, it combines with oxygen. Hope it helps.
Psychology is considered a science because it uses a systematic method of asking and answering questions true or false
It's true
If you mean as in like how to calculate the distance then it would be
speed x time
Cars still largely rely on oil so the answer is b