Which of the following describes the process of eutrophication?

a. Nutrient runoff causes the overgrowth of algae.
b. Minerals and nutrients cycle through the biotic world.
c. Excess phosphorus decomposes plant roots.
d. Rainwater falls to the ground through sulfur dioxide gas.


a. Nutrient runoff causes the overgrowth of algae.

Biology & Microbiology

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The electrons at the lowest energy level in the neon atom depicted in the figure above are found in

which orbital?

a. 1s b. 2s c. 2px d. 2py e. 2pz

Biology & Microbiology

Which are the three main roles played by organisms in community life?

a. producer, detritivore, decomposer b. consumer, detritivore. decomposer c. producer, consumer, decomposer d. facilitator, decomposer, consumer e. realized niche, fundamental niche, habitat

Biology & Microbiology

The human population is expected to double in about ________ years.

A. 60 B. 15 C. 25 D. 91

Biology & Microbiology

What category of cells includes both phagocytes and lymphocytes?

A. Leukocytes B. Platelets C. Erythrocytes D. Target cells

Biology & Microbiology