When a product fails to perform as warranted, this is called

Acommon kind of mechanical weathering is called

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

If a grape were placed in a hypertonic solution what would happen and why?