ERF

The Second planet in the solar system

lines of weakness in the structure of minerals.

Too little sunlight and chemicals, organisms die ( true or false )

Too much activity presents organisms ability to get enough nutrients.( true or False )

resistance to scratch.

the uppermost mantle and overlying crust form a single structural unit. The term _________ has traditionally been used to describe the entire solid earth

comprises the major landmasses on earth that are exposed to the atmosphere. At 2.7 g/cm

AlSO known as the Red Planet

• The inner four planets, Mercury, Venus, Earth, and Mars, are called _________

is composed of basalt, a heavy, dark-colored, iron-rich rock that is also high in silicon (Si) and magnesium (Mg).