1) What is the breaking down of rocks and minerals on the surface of the Earth called? a) Erosion b) Weathering 2) Organic material contains what? a) Anything that contains nitrogen compounds that were formed by living organisms. b) Broken down living things. c) Anything that contains carbon compounds that were formed by living organisms. 3) What is the process to make soil? a) Organic materials and rocks get eroded into soil. b) Organic materials and rocks get weathered into soil. c) Plant matter gets weathered into soil.

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?