Answer:
D. the richness of the soil enables the Andean countries to export a wide variety of crops.
Explanation:
The abiotic parts of an ecosystem are water, soil, air and dead organic matter. The correct options among all the options that are given in the question are the second, fourth, sixth and seventh options. They are basically non-living things that are present in the ecosystem. I hope it helps you.
It usually takes about 2 weeks to get the products send from China to the US.
That would be the focus. The focus is indeed the point inside the earth where an earthquake takes place as well as the point inside the crust where the pressure is released. The area on the Earth's surface directly above the focus is called the epicentre.
Answer:
Domesticating plants marked a major turning point for humans. The beginning of an agricultural way of life and more permanent civilizations. Humans no longer had to wander to hunt animals and gather plants for their food supplies. Agriculture, the cultivating of domestic plants allowed fewer people to provide more food.