Relative dating can also be done by comparing the relative ages of rock layers in different areas. A geologic column is an ordered arrangement of rock layers based on the relative ages of the rocks, with the oldest rocks at the bottom.
<h2>D.
They contain the same number of elements.</h2>
Explanation:
The formula (Ba(NO3)2) contains 9 atoms.
1 Barium atom (Ba)
Contains 2 NO3 groups -
2 Nitrogen atoms (N) x 2
6 Oxygen atoms (O3) x 2
3 Elements in total
The formula (Sc(NO3)3) contains 13 atoms.
1 Scandium atom (Sc)
Contains 3 NO3 groups -
3 Nitrogen atoms (N) x 3
9 Oxygen atoms (O3) x 3
3 Elements in total
They do not have the same number of atoms.
They do not have the same number of oxygen atoms.
They do not contain the same number of NO3 groups.
They do have the same number of elements.
Sugar dissolves faster in hot water than it does in cold water because hot water has more energy than cold water. When water is heated, the molecules gain energy and, thus, move faster. As they move faster, they come into contact with the sugar more often, causing it to dissolve faster.
Option one ( which is Aluminium Carbonate ) is the answer
Answer:
Useing aresol cans like hair spray
Explanation: hair spray has aresol which hurts the ozone layer
