Question

pause and think (1pt)
earth’s early atmosphere had ____ and ____
earth’s first atmosphere
when earth first formed, it was very hot.
because it was so hot, gases and water could not stay on its surface.
earth’s first atmosphere was made of hydrogen and helium.
these gases were common when the solar system was forming.
at first, earth was small.
the solar wind pushed many gases away.
big impacts, like the one that formed the moon, also caused gases to disappear.
where did the gases come from?
later, earth began to cool.
when earth cooled, gases started to stay.

Explanation:

El texto indica que la primera atmósfera de la Tierra estaba compuesta por estos dos gases, que eran comunes durante la formación del sistema solar.

Answer:

hidrógeno y helio