When did the Moon form?

a. in Hadean Eon
b. in Archean Eon
c. in Tertiary Period
d. in Paleozoic Era


Answer: a. in Hadean Eon

Environmental & Atmospheric Sciences

You might also like to view...

A safety factor of 1 implies that driving forces are 10 times greater than resisting forces

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following geologic features is not required for an oil or gas deposit to form?

A) source rock B) cap rock C) reservoir rock D) volcanic rock

Environmental & Atmospheric Sciences

The stratosphere is an example of a positive lapse rate

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following reaction energies is the least exothermic (but still an exothermic reaction)?

A. ?125 kJ/mole B. 540 kJ/mole C. 125 kJ/mole D. ?540 kJ/mole E. not enough information given

Environmental & Atmospheric Sciences