Answer:
Hi
Explanation:
That's why rubbing your hands together makes them warmer. ... Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer. Heat from friction can be useful.
Metals on the left side, metalloids on the staircase, nonmetals on right side
Answer:
Radiation
Explanation:
Sun rays shine on earth. Thats radiation.
The scientific question is “what is the growth rate of the fingerlings in 5% and 10% saline solutions?”
the other is a hypothesis
