The natural cause of acid rain is the <span>chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air.</span>
Their purpose is reproduction.
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
The correct answers should be answer set 1.) Precipitation, water vapor, and icy debris. Hope this helped!
Answer:
A
Explanation:
Each semiconservative DNA cell consists of a daughter cell and and parental cell