1. a natural resource that is mined for profit is called a. aggregate. b. ore. c. sand. d. topsoil.

What was the land like over 500 million years ago? what was under the sea?

Whay is the following best defines climate

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.