Mark as
a nucleotide always consists of a saccharide, a phosphate group, and a carbon base.
a. true
b. false

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur