They were about 16 to 100 years old
Answer:
Dishes, laundry, mop, sweep, and put water in the fridge
Explanation:
The atomic number and properties are used to determine where element is placed by looking at the characteristics of the protons.
<h3>What is a periodic table?</h3>
It should be noted that a periodic table simply means a tabular display of elements.
In this case, the atomic number and properties are used to determine where element is placed by looking at the characteristics of the protons.
Learn more about atomic numbers on:
brainly.com/question/1805828
#SPJ1
the answer is Air and Water pollution.
