Which process is defined as breaking down rocks into smaller pieces without changing the rocks' compositions ? Oerosion Ooxidation Ochemical weathering Omechanical weathering

Ineed to know why d is the correct answer asap

Describe how alleles and genes are related

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d