________% of Earth's land area is currently covered by forest.

Fill in the blank(s) with the appropriate word(s).


Ans: 30

Biology & Microbiology

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Describe the feeding behavior and biology of amoeboid protozoans

What will be an ideal response?

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How does water pass through membranes?

a. facilitated diffusion b. Water cannot pass through membranes. c. passive diffusion d. active transport

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To a person studying utilization of classroom space on campus, the most useful data concerning

students in a classroom would be expressed by the number of a. total individuals. b. individuals per square yard. c. individuals per room. d. rooms per building. e. students of each age.

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Each antenna complex absorbs light energy and transfers it to its reaction center, which consists of chlorophyll

molecules and ____. a. P680 b. proteins c. carotenoids d. accessory pigments e. thylakoid membranes

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