The image represents the structures found in a human bone. the cells which make up a bone are specialized to produce a substance called osteoid which hardens to become the extremely dense and strong material that make up the bones of the human skeleton. what primary purpose is met by these specialized bone cells?

a) communication
b) control
c) reproduction
d) support

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

so whats the answer

high growth (apex)