Answer:
A change is called irreversible if it cannot be changed back again. In an irreversible change, new materials are always formed.
Explanation:
Answer:
it means the earth is rotating-
Explanation:
The gas flows from higher concentration/pressure to lower concentration/pressure, which is outside the ball.
Answer:
2 and 4 if its more than one answerd and if not 2
Explanation:
brainleist would be nice