Ocean and wind currents are both caused by A. uneven specific heat
B. the jet stream
C. the gulf stream
D. uneven insolation

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.