Answer:
The waves must be coherent and monochromatic
The answer is A. the presence or absence of an envelope
Answer:
A
Explanation:
The fox's cells do not have a cell wall, since it is an animal, while the tree does, since it's a plant. B is not correct since they have reversed roles, C is not correct since both are biotic, and D is not correct since both are adapted to cold weather. Hope this helps!
Aftershocks my dude, they're a killer.