Answer: B
Explanation:
carbon monoxide is poison and can kill you
Those would be enzymes I believe. They are the power house of the membrane and lower the amount of activation energy needed.
Answer:
The smaller object will move at 30 m/s
Explanation:
From the principle of conservation of linear momentum,
Momentum of objects before collision = momentum of objects after collision.

where
are the masses and velocities of the objects 1 and 2 respectively before collision.



Hence, the object will move at 30 m/s