About 88 percent of geologic time is represented by the time span called the ________ era

A) Mesozoic B) Phanerozoic C) Precambrian D) Paleozoic


C

Environmental & Atmospheric Sciences

You might also like to view...

Fresh water, excluding glaciers and icecaps, accounts for about how much of the earth's total water?

a. 1% b. 3% c. 10% d. 50%

Environmental & Atmospheric Sciences

Sea surface temperatures increased at an average annual rate of 0.07 C° (0.13 F°) from 1901 to 2012

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

What is the significance of foliation in a metamorphic rock? (Not what is foliation, but what does it

mean in terms of the rock's history?) What will be an ideal response?

Environmental & Atmospheric Sciences

You are on vacation in San Francisco and you find a rock called a serpentinite near the Golden Gate Bridge. You remember that serpentinites are metamorphic rocks commonly found in oceanic crust

The serpentinite contains the mineral serpentine [Mg3Si2O5(OH)4], which forms by reacting water (H2O) to olivine (Mg2SiO4). Your serpentinite formed by: a. contact metamorphism b. hydrothermal metamorphism c. regional metamorphism

Environmental & Atmospheric Sciences