The functions of carbohydrates do NOT include: a
catalyzing reactions
b
structural materials
C с
source of energy
d
glycogen stores

Differentiation of cells changes the nucleic information. true false

When analyzing tree rings, what do scientists assume a thin ring indicates?

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