frequent examination and testing make scientific explanations more
.biased
.invalid
.permanent
.valid
Answer:
Explanation:
An ecosystem is a natural environment and includes the flora (plants) and fauna (animals) that live and interact within that environment. Flora, fauna and bacteria are the biotic or living components of the ecosystem.
Central America and Mexico remain part of the spanish colonies ,both have rich soil and these region has become a center of coffee production
Answer:
Due to erosion.
Explanation:
An unconformity refers to a type of geologic contact that occurs boundary between rocks. The main causes of Unconformities is erosion, wears away rocks and rock deposits never form. The most common cause of unconformity is erosion in which the younger rocks spread on older rocks with the passage of time. In Cardenas layer, erosion is also occurs that leads to unconformity in that region which leads to the formation of boundaries in the rocks.