A(n) reaction occurs when a molecule is formed from the bonding of atoms, ions or simpler molecules.

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

Convection currents are caused by differences in what two things?

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.