The answer is D. The surface area of rocks decreases because of acid rain
Hope this helps you<3
The mutation will occur on the X chromosome. Males are more susceptible to sickle cell amenia because they only carry one X chromosome instead of two when compared to a set of female chromosomes. If a female only has the mutation on one chromosome the disease will not appear. However, when a male recieves the mutation on the X chromosome, the disease would appear, because they only have one X chromosome.
The order should be..
Ask a question
State a hypothesis
Test a hypothesis
Collect data
Analyze data
Write up conclusion based on data
Share your findings by presenting or publishing
Express ideas to make this experiment better in the future
I hope this helps! Please let me know if any are out of order so I can correct it in the future.