Answer:
Conifers are gynosperm which reproduce through the exposed seeds found in the cones
True, reddish-yellowish color on pH paper shows acidity
Answer: Wind speed is also important. The rate of erosion caused by a 30-mile-per-hour wind is more than three times that of a 20-mile-per-hour wind. Wind erosion decreases as soil moisture increases. For example, dry soil erodes about one-and-one-third times more than soil with barely enough moisture to keep plants alive.
Explanation:
https://www.agry.purdue.edu/soils_judging/new_manual/ch6-wind.html Hope this helps
Observation is the answer
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The answers is D because it needs something to survive