Answer:
Mast Cells
Explanation:
Mast cells release histamine in the blood stream, when they detect a substance that triggers an allergic reaction, also called an allergen.
Answer: Positive effects: Disease prevention, agriculture, transplants, pharmaceuticals
Negative: Herbicides, pesticides, mutations
Explanation:
The codon loop.............
Answer:the planets are moving sideways.
Explanation:
Answer:
13. is Option J) all of the above
and 14 I'm not completely sure but I think its option D.