How does pollution affect marine life?
a. pollution causes a decrease in phytoplankton populations and therefore a decrease in the occurrence of algal blooms.
b. pollution causes destruction of coral reefs, which are important sources of shelter and breeding for marine animals.
c. soaps, detergents, and plastics in the ocean decrease the acidity of ocean water, leading to a decrease in carbonate levels.
d. pollution affects organisms close to the shoreline, but does not affect marine organisms far from the shore.?

b. pollution causes destruction of coral reefs, which are important sources of shelter and breeding for marine animals

Explanation:

Some of the air pollutants like carbon dioxide, carbon monoxide and sulfuric acid mixes with the marine water also the solid waste materials which are discharge in water and oil spill also contaminate the quality of marine water.  The pollutants directly influence the life of the marine animals. They cause destruction of the coral reefs. Water pollutants such as fertilizers, oils, animal wastes can block the sunlight reaching the reef. This can cause coral bleaching which may occur due to the removal of the algal colony living in symbiotic association with the coral polyp. The poisonous pollutants can kill the coral polyps and this will leave many marine creatures devoid of shelter. Hence, some marine species will not be able to  copulate and reproduce. Thus they may become extinct.

B

Explanation:

Took the test.

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8