Answer:
oxygen is a present in our atmosphere and mixed with other gases on the surrounding screen plants are also measure source of getting oxygen they take carbon dioxide from making their food by for the cities and give away oxygen in return
Explanation:
most of the earth oxygen comes from tiny Ocean plants are called phytoplaston
Answer:
Jet streams are fast flowing, narrow, meandering air currents in the atmospheres of some planets, including Earth
Explanation:
Answer:C
Explanation: they break apart into ions as they dissolve into solution this process is known as dissociation.
1 electron Bc of the electron you have
