A mineral that is commonly refined in South Asia and then exported is . A.
oil
B.
ore
C.
coal
D.
lumber

Please select the best answer from the choices provided
A
B
C
D

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Solve the system of equations. y= 2x y= x^2 - 15

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?