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Answer:
Consuming electricity and Transportation
Explanation:
Consuming electricity: Burning fossil fuels emits CO2, with coal releasing twice as much of the gas as petroleum.
Transportation: Whether for business or pleasure, locomotion is the second largest source of U.S. CO2 emissions.
Answer:
The plant cell becomes turgid
Explanation; freshwater contains a low amount of salt concentration .when cells are placed in it,it creates an osmotic difference, as the cytoplasm of the cell would be of higher concentration than the surrounding water .as a result,water moves into the cell by osmosis.
Most Unicellular organisms has organelles such as contractile vacuole to expel excess water out of it's cell.if the animal cell is unable to expel water,it bursts.
In plants cells,the cell swells and the swelling is checked by the inflexible and rigid cell wall.
The cell wall of plants are made of cellulose, lignin and pectin.
A human starts with” 1 “cell and by the time they are an adult, they have “ 50 trillion “ cells
Answer:
a
Explanation:
i AM SURE THAT THIS IS THE ANSWER BECAUSE IF YOU TAKE b AND pUT IT WITH B IT WILL GIVE YOU Bb BUT IF YOU PUT B AND B YOULL GET BB.
