HOW DO ADAPTATIONS IN POPULATIONS HELP SURVIVAL RATES?

"spheres" is the name of the four subsytem

Why does less erosion & more deposition take place on the outside bank of a meander?

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation