PLEASE HELP ANSWER WILL GET BRAINLIEST!! :) There is a tree standing in the desert; the sun is rising to the East.

a. As the sun peaks over a plateau and hits the tree, what type of angle is made with the sun and the shadow of the tree?
b. As the sun continues to move across the sky, classify the different types of angles that will be created and explain why they will be created.
c. When are acute angles created?
d. When would a right angle be created?
e. When would an obtuse angle be created?
f. Would there ever be a straight angle created?
g. Estimate the size of the angle when the sun is at midmorning.