What gas important to life was absent from earth’s earliest atmosphere?
a.
nitrogen
b.
methane
c.
oxygen
d.
carbon dioxide

Joanie watched 1 out of three of a movie in the morning

What is the measure of one interior angle of a pentagon

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%