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What is one way human beings have disrupted the sulfur cycle?
A. combustion of fossil fuels
B. deforestation
C. mining processes
D. use of fertilizers

The cluster of developing cells from conception until birth is called an

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes