Technology has given rise to industry.
true
Answer:
1/8th = 12.5%
Explanation:
Three half lives would be 1/2 * 1/2 * 1/2 = 1/8 th of original
Answer:
the correct answer is B) that each element has a different of protons
Explanation:
You find out what they are for example water,oxygen etc. you know wat i mean