allows the soil to replenish the nutrients that each crop uses and a more nutrient soil will produce a larger crop yield.
Your best probable answer would be B. because tectonic plates are pretty much the reason why Central America has over a dozen mountains.
Oil is the anwser because it is man made and natural and humans will need it a lot in the future
Answer:
Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. ... Biodiversity is the key indicator of the health of an ecosystem. A wide variety of species will cope better with threats than a limited number of them in large populations.
The type of land form that most early cultures were attracted to was riverbeds. The correct option among all the options that are given in the question is option "D". It has been seen that the earliest civilizations of Harappa and Mohenjodaro were established near the Indus river. The riverbeds were fertile and good for irrigation.
