Answer:
Air is composed of 78 percent nitrogen
Explanation:
Could it by any chance be ionic
Answer:
as humans population continues to grow, we're cutting down more trees and occupying more lands to suffice the need of citizens, therefore, decreasing the forest biodiversity. Our plastic bags, as well as wastes, are polluting the ocean and eradicating essential species that are required to sustain a balance ecosystem, therefore, decreasing the biodiversity of the ocean that are required to maintain a balance environment.
Diffusion vs. Active Transport: molecules move across cell membranes by two major processes diffusion or active transport. Diffusion is the movement from a high concentration of molecules to a low concentration of molecules. ... Moving molecules with cell energy is called active transport
Integumentary system I believe