Either A or B. I will do readersherch
I believe the answer is: the Columbian Exchange
Columbian exchange refers to the exchange of knowledge, labour culture, plants , and animals that heppened between countries in american continent during the 1500s. When the exchange happens, different races crossbreed with one another which resulted in the birth of new races.
Yes because it can no longer be used for growing crops and leading to soil erosion.
Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. They provide raw materials and resources for medicines and other purposes
<span>The UCS in this case would be the gummy candies. They cause the puckering response in Jade naturally, without her awareness. The conditioned stimulus would be the white candy bag, which makes Jade think that there is lemon candy held inside.</span>
