Using coal for fuel releases pollution into the atmosphere. why do people continue to use coal if it causes pollution.
a. using more coal reduces the amount of pollution from using oil.
b. using coal is relatively inexpensive.
c. mining coal scientists uncover fossils.
d. using coal, instead of wood from trees, conserve trees.

If all prokaryotes on earth suddenly vanished, which of the following would be the mostlikely and most direct result? a) the number of organisms on earth would decrease by 10—20%.b) human populations would thrive in the absence of disease.c) bacteriophage numbers would dramatically increase.d) the recycling of nutrients would be greatly reduced, at least initially.e) there would be no more pathogens on earth.