Answer:
B
Explanation:
Without the greenhouse effect the earth would be very cold.
Answer:
brown hair or black hair.
Antibiotics are ineffective against viruses because viruses do not have cells. Viruses are infectious agents that live within the cells of other living things. Antibiotics work by breaking down the cell walls of bacteria or interfering with the bacteria's ability to repair its cell's DNA, according to How Stuff Works.
The Pacific Plate moves northwest, relative to the North American Plate about 3.4 cm per year, caused by Shear stress. The fault line that California is on is the San Andraes Fault.