Answer:
D
Explanation:
A process that changes the composition of rocks causing them to break down.
Answer:
This question is incomplete as it lacks options, the options are:
A. rotating crops
B. decreasing riverbank slopes
C. growing more vegetation
D. avoiding soil compaction
The answer is C. growing more vegetation
Explanation:
Wind erosion is a type of erosion caused by excessive wind. Wind erosion causes the blowing away of the top soil, which contains nutrients from one location to another. There are, however, various ways to prevent wind erosion from occuring which includes: planting of vegetation to serve as windbreak.
The growing of MORE VEGETATION COVER in form of trees can be used to control wind erosion because the trees will serve as windbreak and prevent the flooding effect of wind on the soil.
Answer:
When a single amino acid is encoded by more than one codon.
Explanation:
Degeneracy is when a single amino acid is encoded by more than one codon. This pehonomenon was first described by Lagerkvist where there are more codons than amino acids that could be encoded.
This figure illustrates 3 hypotheses of how a cancer stem cell may arise: (1) A stem cell undergoes a mutation, (2) A progenitor cell undergoes two or more mutations, or (3) A fully differentiated cell undergoes several mutations that drive it back to a stem-like state.
