Techniques of surface mining include: A. Strip mining
B. Dredging
C. Placer mining
D. All of the above

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!

What is your cultural heritage? what nonverbal behaviors are typically associated with your cultural heritage? which of those behaviors do you display? how might studying other cultures you be a competent communicator?

The missouri compromise angered because congress had allowed slavery to expand into another state. 1.) thomas jefferson 2.) northerners 3.) white southerners 4.) henry clay