When did oxygen levels start to decline from 35 percent down to today’s levels

100 percent

Explanation:

the oxgyn level todays level is 95

The oxygen levels started to decline from 35 percent down to today’s levels in 1995.

abraham lincoln

explanation:

abraham lincoln rejected the final compromise effort to stop the secession movement because it disparaged the gains made by the 1860 election.

s the president shall be commander in chief of the army and navy of the united states, and of the militia of the several states, when called into the actual service of the united states; he may require the opinion, in writing, of the principal officer in each of the executive departments. sooo yeahhh

explanation: