Which of the following are true statements about the carbon cycle? Check all that apply.
A. Carbon cycles locally.
B. Burning of gasoline is a contributor to the current imbalance in the carbon cycle.
C. Replacing rainforest with farms decreases atmospheric CO2 levels.
D. In water, inorganic carbon exists in two different forms, both of which can be used by autotrophs.
E. Carbon and nitrogen fixation are both facilitated by microbes.
Answer: E
You might also like to view...
The embedded peptides in MHC proteins are normally derived from breakdown products of cell metabolism
Indicate whether the statement is true or false.
Which feature is not a characteristic of the tropical rain forests? a. Average rainfall of 130 - 200 centimeters
b. The most structurally complex biome. c. Photosynthesis continues year round. d. Average temperature of 92o F. e. Little variation in the length of daylight.
Why is water not able to dissolve or break down oil? a. Water is polar and oil is nonpolar
b. Water is polar and oil is polar. c. Water is nonpolar and oil is nonpolar. d. Water is nonpolar and oil is polar.
Scientists believe whales evolved from land
animals for which of the following reasons?
a. they are genetically close to a group of land animals called artiodactyls b. fossils found had a mix of whale and artiodactyl features c. some had tails but swam with their feet d. some had feet but swam with their tails e. all of these are reasons that scientists believe whales evolved from land animals