Answer:
Im pretty shure the answer here is A
Explanation:
Answer:
Your answer should be Parasitism.
Example:
A flea on a dog: The flea benefits by getting shelter, and the food it needs to survive, the dog is harmed by getting its blood taken and getting infections.
It changes because of the movement of the concentration of students who breathe out CO2
Global warming from human activity. Mainly the burning of fossil fuels. There are many solutions that are already available. Such as solar, wind, and geothermal energy. The issue is that these solutions also have problems and are expensive. Likely a combination of them and the engineering of ways to safeguard pollutants so they don’t make it into the ecosystem will be the best way that this will improve.
<span>Two characteristics of leisure travelers is that they often will travel by car, and generally they take shorter trips. The whole idea of leisure travel is to take a little vacation from the chores of everyday life. It is generally characterized as people staying in nice hotels, relaxing, touring, and experiencing something new, fun and exciting.</span>
