B. 0.0357 wolves/mi
Divide the wolf # by the sq.mi.
Answer: repel forces and attract forces
Answer:
D. DDT
Explanation:
DDT is highly persistent in the environment means that it break down very slowly in the environment. The half-life for DDT is from 2 to 15 years. Half-life is the time needed for the degradation of half of the compound. Persistent bio-accumulative toxic substances (PBTs) are chemicals that break down slowly in the environment and its accumulation in living organisms are toxic. Some PBTs are dispersed through air currents while some uses other environmental pathways, resulting in contamination of regions far from their points of origin.
Answer:
T
C
G
A
T
A
Explanation:
Thymine pairs with Adenine.
Guanine pairs with Cytosine.
