USING THE GRAPH BELOW, ANSWER THE QUESTION.
Q. There are 3 different populations in this graph. Mark two statements below which are most likely true.
1. Population A and population C probably have a predator-prey relationship
2. Population B and population C probably have a predator-prey relationship
3. Population A is not likely harmed nor helped by populations B and C
4. Population A is often harmed or helped by populations B and C.

Answer:

2 and 3

Explanation:

1 is incorrect because A does not seem to have a predator-prey relationship  but C does

2 is correct because of the increase and decrease does indicate the predator-prey relationship B and C have

3 is correct because the over time the population remains the same since it is not harmed by B and C

4 is incorrect because if A was harmed by B and C, the population should decline.

This is a possible abbreviation for an element: Br

Yes
No

How can electromagnetic waves be used to fight a forest fire?

Gamma ray images can show hot spots as radioactive areas.
Ultraviolet images can show hot spots as fluorescent areas.
X-ray images can show hot spots as white areas.
Infrared images can show hot spots as red areas.
class:science