Atomic mass is the number of protons + number of neutrons. 11 protons + 12 neturons = 23
Answer:
Solids
Explanation:
Electromagnetic waves travel fastest in empty space. But they are slowest in solids
D) Its position changes because the unbalanced forces move the object.
Answer:
Erosion/Weathering
Explanation:
Because the rock is exposed to the ocean, the constant push and pull of the water against the rock erodes the material away and moves it elsewhere. The wind likely aided in this process as well. This caused the big gap in the center of the rock.
Group 1 was more careful in choosing the person, whereas Group 2 might have been more careless.