1. humans cause deforestation, which destroys animals' habitat
2. humans cause water pollution, by throwing harmful chemicals in the sewer causing marine animals to die
3. humans are destroying animals' habitat forcefully to build more homes for peoples
Most DNA is found in the cell nucleus
A 1000
idk i could be wrong im on my cousin phone rn
Pretty sure the answer would be C, because you need the warm and cold air to mix.