During the Devonian Period, animals that could live on land began to evolve. These animals still spent part of their lives in the water. What were these animals called?

reptiles

dinosaurs

amphibians

trilobites

What is a map that shows a large area than the main map

What is the body of water between south italy and greece?

This is the innermost layer of the planet. On earth, it is made of primarily iron and nickel.

What are the natural resources of Southwest Asia?

How mush hotter is lightning than the surface of the sun

Which area of rivers and streams will most likely contain the most sediment? a. the source b. the mouth c. the middle portion d. none of the above

Three economic principles of natural resource management are 1) Opportunity Cost; when you make a choice, you lost the opportunity to choose other things 2) Time preference; how fast you can wait for a return on your investment 3) Discount rate;

Acid rain is a serious problem in China. true or false?

Which World culture region is broken up into the most subregions

In archaeology, there must be a balance between the explanation of the value and workings of archaeology, revealing the mysteries of past and present cultures, and to promote respect for archaeological sites. True or false?