13.
Using methods to determine something's actual age is known as what? (2 points)

Absolute dating

Relative dating

Carbon 14 dating

Uranium 235 dating

14.
Describe two human actions that cause water pollution. (4 points)

15.
Which process would have the greatest negative impact on a forest? (2 points)
wrting part

Clearing large tracks of land of all trees

Removing some of the overpopulated animals from a forest

Controlled burning of the underbrush

Selective thinning of some trees

16.
The two types of weathering are (2 points)

water and wind

mechanical and chemical

mechanical and wind

biological and wind

17.
Can any type of rock become igneous rock? (2 points)

No, only volcanoes produce igneous rocks

No, one type of rock cannot change into another type of rock

Yes, rocks at the surface can change from any type to igneous

Yes, if they are pressed down into the Earth's core and melt and cool to become igneous rocks
1
8.
List and describe two ways that scientists can date fossils found in the earth. (4 points)