Blood-vascular system and Lymphatic system
Answer: B
Explanation:
When immigration into an area is higher than emigration out and with other factors kept constant, you will have a situation where population will increase.
This is the case in the point of the graph labelled B. We can see a rise in population so immigration must be more than emigration. In the other points, the population is reducing which means that more orca whales are leaving than coming in.
All plants take in carbon dioxide(CO) and use<span> the carbon to </span>build carbohydrates<span> during photosynthesis, and a</span>ll organisms require nitrogen to make amino acids(proteins), which in turn are used to build<span> proteins. </span>Nitrogen<span> gas (N2) makes up 78 percent of Earth's atmosphere.</span>
Answer:
biogas is one type of biofuel.
so that how can we compare it
