Can nonrenewable resources be used sustainably? a. no, there's a finite amount of nonrenewable resources b. yes, nonrenewable resources are always beneficial for the environment c. yes, as long as use doesn't exceed availability d. no, there are only negative effects of using nonrenewable resources

The correct answer is C: Yes, as long as use doesn't exceed availability.

Explanation:

Non- renewable resources cannot be used permanently, but these resources can be used sustain-ably over a period of time to meet their needs. The reason is that these non-renewable resources such as oil, gas, and fossil fuels, are being used at a larger rate, but their production is quite slow beneath the earth surface.

Therefore on the surface, it is not possible to use them sustain-ably except exceeding the limit as they are running out.

For example, in 19th-century whale oil was used to meet the energy needs, but gradually this species became distinct, and its population couldn't be protected and restored by human beings.

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.