I'm pretty sure the answer is A.
Answer:
soil nutrients
Explanation:
an ecological climax resulting from soil factors and commonly persisting through cycles of climatic and physiographic change
Answer:
here u go
Explanation:
<em>The modeling tool shows exactly how different body parts form. Doctors can use models, like the one in the video, along with ultrasound pictures of a developing baby, to determine whether the embryo is growing normally and is forming the proper body structures at the correct time. If not, the doctor could inform the parents of the problem before the baby is born. Doctors could then make a plan to treat the condition, if possible.</em>
Answer:
The differential equations and the boundary conditions(initial and final)are shown in the attachment
