The correct answer for the question that is being presented above is this one: "oxygen became available from cyanobacteria." About 1.2 billion years ago, eukaryotic and multicelled organisms evolved because oxygen became available from cyanobacteria.
<span>The
Milky Way is a elliptical galaxy. Galaxy,
by definition, is an arrangement composing of stars, planets, gasses and
everything more that can be seen in the space. There are three types of
galaxies and they are elliptical, spiral and irregular. Spherical could be
applicable as elliptical if you got to choose only one on the choices above.
Example of spiral galaxy is the Milky Way galaxy where our Solar system is
currently located according to the scientists</span>
Answer:
definitions part of speech and pronunciation of the word
Answer:
2 g/ml
Explanation:
D= M/V
80g divided by 40 ml= 2 g/ml
