Earth's heavy elements came from ________

a. the deaths of ancient stars
b. asteroids
c. comets
d. meteors


a

Environmental & Atmospheric Sciences

You might also like to view...

Nearly half of the United States' forests are classified as virgin

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Beer bottling is an example of a

A) perishable industry. B) specialized industry. C) bulk-gaining industry. D) communications-oriented industry. E) labor intensive industry.

Environmental & Atmospheric Sciences

Earth's most fertile agricultural soils often come from ____ deposits

a. sand b. playa c. debris flow d. loess

Environmental & Atmospheric Sciences

What is the overall objective of environmental public policy and what are the objective's two most central concerns?

What will be an ideal response?

Environmental & Atmospheric Sciences