Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Answer:
Because 2 forces are stopping the crate, friction and gravity. While only one force is trying to move it forward.
Wind and Rain are known to (A), wear down mountains because wind and rain are primary causes of weathering of mountains as well as other natural landforms.
Liquid 1 and 4, because they have the same melting point and density.
