B.) A dog walks to a stream and drinks when it gets thirsty
would have to be your answer..
C. Permafrost
Permafrost is the layer beneath the "active layer". The active layer consists of soil that freezes and thaws every year. However, the requirement for permafrost is that it be frozen for two or more years consecutively. This is why permafrost exists in cold environments such as tundras.
I do not know if it’s a bad thing but it’s okay so if you don’t do have a great day
Asynchronous Learning is when each student works at their own pace, and may not collaborate on work in class meetings, so the correct answer here would be D!