Tall, dense clouds fill the sky during a thunderstorm, bringing hail, lightning, and the possibility of tornadoes. which type of clouds are these?

Some fossils provide evidence to suggest that earth's climate has changed over time. which information can scientists obtain from these fossils? check all that apply

The coco river is a natural border between nicaragua and which other country

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation