Which idea inspired darwin’s theory of evolution?

a. species as a whole have remained unchanged for millions of years.

b. population changes are driven by competition and sexual selection.

c. organisms can modify their environment to improve living conditions.

d. traits acquired during the lifetime of an organism can be passed on.

The correct answer is option B, Population changes are driven by competition and sexual selection.

Explanation:

Darwin’s theory is also known as theory of sexual selection in which species  develop specific physical, mental or psychological traits as a process of evolution to lead to enhancement of competition among individuals for access to preferred mates or development of these traits help in attracting mates. Natural selection  increase or decrease frequency of alleles  existing in the population

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.