Astronomy
The third planet from the sun
What is Earth?
Element with 6 protons.
What is carbon?
An assemblage of one or more minerals
What is a rock
The only known planet with life
What is Earth?
Approaching 8 billion
What is the current human population?
Origin of the Universe
What is the Big Bang?
Element with 92 protons
What is uranium?
Solidified from magma
What is an igneous rock?
Process that stores solar energy on carbon
Over 400 ppmv
What is the current level of atmospheric carbon dioxide?
A closer object appears to move more
What is parallax?
Positively charged ion
What is a cation?
Minerals and texture reflect changes in temperature and pressure
What is metamorphism?
Next after the Paleozoic
What is the Mesozoic?
10,000 joules per second
What is the average rate of energy expenditure for an American?
Indicates galaxies are moving away from us
What is the red shift?
Increases down columns, decreases to right across rows
What is ionic radius?
Coarsely crystalline equivalent of basalt
What is a gabbro?
Cells with a nucleus
What is a eukaryote?
~40 Gigatons per year
What is the current global rate of CO2 emissions?
What is the cosmic microwave background radiation
Proton-donating molecule
What is an acid?
Extrusive equivalent to granite
What is rhyolite?
First metazoans
What is the Ediacaran fauna?
Carbon neutral
What is the emissions target for 2050?