Hey there Cruzmm2689,
Answer:
He is experiencing Serum Sickness.
Hope this helps :D
<em>~Natasha♥</em>
The answer is B .
Biotic factor refers to living things .
Answer:
Chlorophyll Breaks Down
Explanation:
because of changes in the length of daylight and changes in temperature, the leaves stop their food-making process. The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible
U 2 can help me by marking as brainliest......