In general, what determines whether a substance is considered
to be a solid, liquid or a gas?
A. the color of the substance
B. the volume of the substance
C. the arrangement and movement of the
particles in the substance
D. where the substance is found on Earth

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m

20 the compound al(nh3)2 has atoms of nitrogen.