What is one important way that stelae were used? A) for trade with other groups of people
B) as weapons in wars
C) to record information about the growing seasons
D) all of the above

C

Explanation:

These were used to keep records of seasons, tombstones and property markers

c. taught scientists many new things about the earth, but not other planets.

explanation:

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.