Fossils - the remains of plants and animals that lived long ago, Weathering - the breaking down of rock by water, ice, or wind, Erosion - the movement of sediment by water, ice, or wind, Deposition - the dropping of sediment in a new location by water, ice, or wind, Sedimentary Rock - rocks formed when layers of sediment are pressed together, Petroleum - a liquid fossil fuel formed from the remains of prehistoric plants and animals, Natural Gas - a gas fossil fuel formed from the remains of prehistoric plants and animals, Coal - a solid fossil fuel formed from decomposition of prehistoric plants, Compaction - when sediments are pressed or squeezed together, Cementation - when sediments are glued together to make a rock, Nonrenewable Resource - a resource that cannot be replaced, Renewable Resource - a resource that can be replaced, Fossil Fuels - Coal, Oil, and Natural Gas, Conservation - the wise use of natural resource to ensure their protection, Sediment - small pieces of rocks and minerals,

Sedimentary Rock and Fossil Fuels

만든이
퍼가기

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?