Erosion is brought about by the forces of nature or human activity: water, wind, earthquakes, mining, quarrying, etc. In the desert, there is very little water that can cause weathering or erosion, so the most probable answer is wind or maybe even animal activity.
Answer:
Fossil fuels
Explanation:
The definition of "fossil fuel" is "a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms"
There is a 50/50 chance of there being a male or female. The mother puts off the X chromosome, while the father is the factor that can make the gender. The X chromosome is female, while the Y chromosome is the male. The father can either put off the X or Y.
Answer: Kids inherit traits from their parents. Sometimes when two parents with different traits have kids, all the kids end up with only one parent's trait even though the children inherited both. In this case, one trait is said to be dominant over the other recessive one... This situation is called incomplete dominance.
I would say biogeochemical cycles is the best option.