The answers are
1. Matter
2. Biosphere
Answer: solar power
Explanation: Wind power is considered indirect forms of solar power because the wind's energy originates in the uneven heating of the Earth. Water power is considered indirect solar energy because water is evaporated by solar hear, lifted and carried by the winds
Answer:
it's 2
I don't know how to explain but yeah its 2
I guess I would say b or d. Because concluded results change over time with better technology and some solutions dont work.
