Context: Figure: Serengeti National Park.
Serengeti National Park is a savanna grassland ecosystem in Tanzania, a country in eastern Africa.
Which better describes the Serengeti National Park ecosystem?
A. It has year-round rain. It also has soil that is poor in nutrients.
B. It has a rainy season and a dry season. It also has soil that is poor in nutrients.
From the given choices, choose the correct answer and respond with the letter of that choice.

B