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.

answer; /// the correct )

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,