1 it a 2 it b 3 it c 4 it be 7 it a
Answer:
31.64...
Explanation:
The formula is volume is equal to mass over density.
So 25/0.79=31.64...
Answer:
2 electrons
8 electrons
8 electrons
1 electron (just count in the rings for these ones)
19 protons (it says "P=19" in the middle. The P stands for Protons)
K (it's from Latin medieval Latin "kalium")
39 (add proton and neutron amounts to get the approximate atomic mass--electrons are negligible)
Explanation:
Answer:
The ozone layer
Explanation:
It sort of acts like a defense from the harmful ones and only allows weaker and non threatening ones in the atmosphere. If global warming continues, the ozone layer will break and we will be exposed to them
