It is false that constellations are only visible in certain seasons due to the revolution of the Earth toward the constellation.
I believe it would be a primary succession.. (I may be wrong)
Barometer is used to measure atmospheric pressure :)
Answer:
the answer is A (or #1) because it is still testable but only because we haven't discovered everything yet
D is correct because when something melts, energy is thrown into it causing it to heat up and lose its shape
