C........................................................................
Answer:
2) liquids only
Explanation:
Hydrosphere is a total amount of water on the planet Earth. It includes water on the surface of earth,underground and in the air. A hydrosphere of a planet may be liquid,ice or vapor.
Earth's surface water is available in the form of lakes,rivers and oceans,It also exists in underground as wells,and aquifers.In the air water vapor exists in the form of clouds and fog.
Answer:
you just draw what the question asks you to do.
Explanation:
Exotic species do not have a niche in the ecosystem that they are in. Therefore they take up resources that native species rely on to survive. Exotic species also have no natural predators in that environment causing them to flourish and multiply quickly.
Answer:
limiting factors
Explanation:
The ecological optimum represents the value of the factors within the ecological valence at which the life processes of a species take place best. The upper and lower limits of an ecological valence are its maximum and minimum. Beyond these limits, physiological processes are interrupted and death occurs.