First deforestation takes away trees which help absorb the carbon in the air and second if you burn the trees you release the carbon in the trees
Natural selection can cause speciation, which increases the biodiversity of an ecosystem. Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. After 24 hours, ninety percent of the original bacteria die, but the remaining ten percent survive and later reproduce.
A because osmosis will act to balance the concentrations of water inside and outside the cell. As this happens, sugar outside the cell will dissolve into the water and be moved across the cell membrane with it into the cell. This continues until the concentrations are equal.
IT SEEMS THAT YOUR QUESTION IS INCOMPLETE...... PLZ ELABORATE YOUR QUESTION