________% of Earth's land area is currently covered by forest.
Fill in the blank(s) with the appropriate word(s).
Ans: 30
You might also like to view...
Describe the feeding behavior and biology of amoeboid protozoans
What will be an ideal response?
How does water pass through membranes?
a. facilitated diffusion b. Water cannot pass through membranes. c. passive diffusion d. active transport
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.
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