When compared to Earth’s atmosphere 4.5 bya, Earth’s atmosphere today has.

A. More carbon dioxide

B. More methane

C. More oxygen

D. More copper

C. More oxygen

Explanation:

The world 4.5 billion years ago had hydrogen sulfide, methane, and ten to 200 times as much carbon dioxide as today’s atmosphere. After about half a billion years, Earth’s surface cooled and solidified enough for water to and oxygen collect on it.

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

: )

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers