Cobalt is used in alloys for aircraft engine parts and in alloys with corrosion/water resistant uses. Cobalt is widely used in batteries and electroplating.
Answer:
C
Explanation:
DNA replication occurs in the nucleus
> doubled stranded DNA is unzipped by helicase
The answer should be physical.
For example, when water freezes, or melts, or boils, it's a physical change with temperature. However, correct me if I'm wrong.
Hope this helps :)
Killer whale ez pz
rkjebnlk
Answer:
Greenhouse gases keep our planet livable by holding onto some of Earth's heat energy so that it doesn't all escape into space. This heat trapping is known as the greenhouse effect. Just as too little greenhouse gas makes Earth too cold, too much greenhouse gas makes Earth too warm