The jet stream flows west to east
The answer is A. It can be scientifically found while the other answer choices are all peoples personal opinions, not scientific facts like measurement.
Answer:
The seeds perform the following functions: They help in germination of the new plant. The seeds contain food reservoirs in the form of cotyledons and endosperm. The seed coat is protective in nature which protects the embryo inside.
Answer:
A new mutation
Explanation:
A mutation refers to the random changes in the DNA of organisms. A mutation changes the allele and genotype frequencies by the introduction of a new allele in the gene pool.
However, mutations are not the major factor responsible for changes in the gene pool of a population as mutations are rare. The rate of mutations is very slow and does not allow it to serve as a major factor to change the allele and genotype frequencies.
The sinking of rock layers is subsidence
Explanation:
Subsidence is the motion of a surface as it shifts downwards corresponding to a datum such as a sea level. The reverse of subsidence is uplift, which occurs in an increase in elevation.
