Answer:
The correct answer is A. Cells are the basic unit of life.
I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
Greenhouse gasses, Carbon Dioxide, Water Pollution and Air Pollution and Wildfires
Other things veterinarians are looking at is the boundary between animals, people, and the environment. Veterinarians need to work with human doctors to work on food safety, problems connected to cancer, etc. Veterinarians and human doctors can get facts from each other. The problems we face in society means that they have to cooperate with both the animal health side, the human health side, and environment side as well. One way they think of “one health” is evolving viruses. They are looking at this to find a solution by the use of comparative medicine and observing the environment.
Economics - is the social science that describes the factors that determine the production, distribution and consumption of goods and services
