Answer:
i dont know the answer i think its D
Explanation:
The quote states that we should be using solar energy before our limited amount of naturally occurring oil and coal runs out. Meaning; we should be proactively working towards solar power rather than to wait for our resource to run out to start.
P waves is moved by compressing and expanding.
S waves is form perpendicular angle when they pass.
Yes, organic material in soil is more productive.