Answer:
Plants.
Explanation:
Producers is an organism in an ecosystem that can make its own food. Plants use a process called "Photosynthesis" in order to make the food it needs to survive. Other organisms have to eat a different organism in order to survive,
Thus, the answer is (A)
Answer:
A low cold front transitioning to a high warm front.
Explanation:
The spikes that are going down is a cold front and the semi-circles are a warm front so its transitioning from small to large because L is low and then it raises. You're welcome.
Answer:
D. The number of atoms and properties are different in both.
Frequently changing their surface proteins
