At which approximate light intensity does the oxygen production begin to level off? a. 40%
b. 60%
C. 80%
d. 100%
Please select the best answer from the choices provided
A
B

D

Which type of neuroglia is found outside of the brain?

Which measure of an earthquake depends on how close you are to the focus?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.