Answer:
#2.
Explanation:
Look at the charges. Both are positive, therefore both are cations.
I would think the last one about the ozone layer
CATGGATCCA for future reference this is considered biology, you may get a quicker response if you categorize it as such :)
Answer:
Earth takes in thermal energy from the Sun in a process called. ... Sunlight strikes Earth's surface at different angles. This angle is called the angle of. ⇒ insolation.
Explanation:
Report the guy that spammed, he spams for points and doesn't even try to help.
