Which of the following shows a coefficient? Group of answer choices

a. H2O

b. K + Br

c. NaCl

d. 2Cu

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Non renewable resources like petroleum eventually

What can be done to make a solid solute dissolve faster in a liquid solvent?