Which of the following serves as the earth's major location for long-term storage of oxygen

a - photosynthetic plants

b - rocks in the geosphere

c - aerobic organisms

d - decomposer organisms

Which path through the carbon cycle is possible?

Bacteria are excellent candidates for genetic engineering because?

When electrons flow along the electron transport chains of mitochondria, which statement is true A) electrons from nadh get directly transferred to Cyt c B) nad + and fad are regenerated C) energy from atp hydrolysis is harvested for electron

Infections cause inflammation in human cells by

The term "survival of the fittest" refers toA. the most reproductively successful in an environment. B. the strongest competing and surviving in an environment. C. the weakest being unable compete for resources and dying in an environment. D.

When will natural selection occur? A. When there are plenty of resources B. When there is no genetic variation. C. When there is limited food. D. When there is no competition

Skulls of Homo sapiens were found during an excavation. The skulls were preserved because the bodies were frozen. So, these fossils are (1) fossils. (1) A. Mineralized B. Mold C. Original-tissue

What is the purpose of the carbon cycle?

Long-term exposure to stress can damage the cardiovascular system by causing A) excessive electrical activity in heart muscle. B) sudden, dangerous increases in the heart rate. C) heart valve malfunction. D) chronic high blood pressure.

Does the Doppler shift occur for only some types of waves or for all types of waves? only sound waves all types of waves only light waves