Which describes the interaction? Two abiotic factors are interacting.

Two biotic factors are interacting.

The tree is abiotic and is interacting with a biotic factor.

The tree is biotic and is interacting with an abiotic factor.

The answer is b or dmost likely bhope it

Increased profits reduced health risks

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.