Answer:
Chronic obstructive pulmonary disease
Explanation:
I'm not 100% sure of what you're asking here but the main term for COPD is Chronic obstructive pulmonary disease. COPD is a long-term lung disease, which makes breathing especially difficult. I hope this helps:)
Nonpoint source so your answer would be B.
They have to have a higher density than water to have the ability to stay on the sea floor. Otherwise they would just float to the surface of the water
Answer:
C
Explanation:
deer are alive and therefor biotic. As they graze they eat grass, walk on land and use oxygen, - all parts of the environment
Answer:
I think it's A
Explanation:
becasue the first step of the process doesn't involve tRNA
