The arrows on field lines show the direction of force in an electric field.
Which statement best describes how the arrows are shown?
OA. Arrows point toward both charges.
OB. Arrows point away from the negative charge and toward the
Oc. Arrows point away from the positive charge and toward the
positive charge.
negative charge.
OD. Arrows point away from both charges.

How does climate change cause the ocean's thermohaline current to slow down?

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .