Front

__?__ is the scientific term for tectonic plates pulling apart.

Back

Rifting

Front

Which layer of the atmosphere is friendly to human life?

Back

Troposphere

Front

How much more carbon dioxide does the ocean contain than the atmosphere due to oceanic life and direct contact with the atmosphere?

Back

60 times

Front

Rocks that undergo intense heat and pressure are sedimentary.

Back

false

Front

Salinity in the ocean increases overtime through evaporation.

Back

true

Front

The composition of planets is determined by what? Options: the amount of ice on their poles, the formation of the universe, their distance from the sun, their age

Back

their distance from the sun

Front

Strata is the scientific term for layers of rock.

Back

true

Front

A group of galaxies is known as a __?__.

Back

Galactic Cluster

Front

The threat of an event that will have a negative effect on humans.

Back

Natural Hazard

Front

__?__ are a direct result of gas and dust clumping together.

Back

Protostars