Answer:
When soil available nitrogen is low, yield and protein content will be low. As nitrogen is applied beyond these levels the wheat plant will no longer use it to
Explanation:
Sorry I can't spell Spanish
your answer is B. because An animal must do three things to control body temperature. First, the animal must find a source of heat. Second, it must find a way to conserve heat when temperatures in the environment are too cold. Third, it must find a way to get rid of extra heat when temperatures in the environment are too hot.