Why can glass break from sound

This is so important ugh its 25 points

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.