Global warming, loss of natural habitats, extinction of multiple species, etc
The answer is d thunderstorms
<span>B. sold in the United States </span>
This is a science question, but Thermosphere, Ionosphere, Mesosphere, stratosphere, troposphere
No. It just means that there's stuff in the water that runs down them,
and the stuff builds up on the stalactite. It's a lot like the process that
makes icicles grow, even though icicles are not alive either.
