Which nutrient(s) stimulates algae and aquatic plant growth?
A. phosphates and carbon dioxide
B. nitrates and phosphates
C. lead
D. nitrates and oxygen
Answer: B
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How are the impacts of natural hazards linked to population growth?
A) Population growth concentrates people and resources, such that the impacts of an individual natural hazard can be greater. B) Population growth changes the rates of geologic processes, in turn changing the frequency of hazardous events. C) Population growth weakens societal defenses against natural hazards. D) Natural hazards strongly influence population growth.
Which of the following happens to T cells which, during their maturation, have not met and interacted with MHCs
A) Most of them circulate in the blood. B) They are converted to other types of cells. C) They die of neglect. D) They are held in reserve.
Surface tension created by a small amount of water in soil decreases its shear strength.
Answer the following statement true (T) or false (F)
To find the largest area of the ocean with the oldest ocean crust, you should go to the ________
A) eastern Pacific B) northern Atlantic C) southern Ocean near Australia D) western Pacific