Answer:
"water, air, sunlight, soil, plants, microorganisms, insects and animals. Ecosystems may be terrestrial – that is, on land – or aquatic. Sizes of ecosystems vary; they could entail a small puddle or an enormous swath of desert. Likewise, natural ecosystems can look quite different from one another."
Explanation:
Most of the fresh water on earth is in ice and Glaciers
I think that the beginning of the question says "ill health"
Yes, this is true. low earnings are often correlated with bad health - it's because poor people have less access to health care, less access to healthy food and might be forced to do jobs which are stressful and demanding.
Are you sure you wrote it right? :-(
The function f(x)=2x-5 is a linear function.
Unless otherwise stated (and that does not seem to be the case) in the real numbers domain, x may assume any value.
The same can be said to y.
So, the lowest output value approached by this function is -∞
(minus infinity).
:-)