Answer:
704 million years in Geology.
Explanation:
Lead-207 would be the daughter.
Retaining Walls. Constructing a retaining wall made of brick or stones will minimize water runoff.
Not sure what type of erosion your talking about but here’s the answer for rain erosion
Answer:
At the top theres less air and a higher elivation
Explanation:
Christianity, I believe, is the largest and most widespread religion of the world as of 2009.