Which of these is a drawback associated with using oil?
O A. Shale rock deposits can release natural gas.
O B. Equipment failure can lead to oil spills and environmental damage.
O C. Hydraulic fracturing can increase the frequency of earthquakes.
O D. Acid mine drainage can pollute waterways.

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