What are the barrier for creating a sports complex

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

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

What does it mean if a piece of wood is ripped? it has been water-damaged. it has been cut with the grain. it has been cut against the grain. it has been covered with laminate.