Answer: the answer is c the independent variable is the presence of the rock tumbler and the student is modeling weathering.
Explanation:
The answer is A. More abundant marine species
Upwelling will cause the movement of nutrient-rich water to the ocean surface. This will makes the water to have more nutrient, so there will be more photosynthesis happens. Photosynthesis will produce more food, so the amount of marine species that could survive would be higher.
Diploid cell. In meiosis I, the cell undergoes cell division process that is more likely has the similar procedures that mitosis undergoes. The cell produced is called the diploid cell which has the complete 48 strands of chromosomes within it. However, after the mitosis II takes place, the cell produced is called a haploid cell which has only 24 chromosomes instead of 48.
Answer:
c. Left atrium
j. right atrium
f. left ventricle
g. right ventricle
Explanation:
The heart consists of four chambers that is two ventricles and two articles.
Blood enters the right atrium goes into the right ventricle.
The right ventricle then pumps blood into the lungs where the blood gets oxygenated.
Pulmonary vein then brings back the blood from lungs into the left ventricle, blood is pumped into the left atrium and out of the heart.
That is the process through which blood navigates in the heart.
