There are 2 high tides and 2 low tides every 24 hours.
As the phase changes occur, the freedom of motion of the particles increases.
I would think the answer would be A because matter does involve living things.
The layer of the Earth's atmosphere where most planes fly is the stratosphere.
✔ A. Stratosphere
O B. Mesosphere
O C. Thermosphere
O D. Troposphere
