A(n) change occurs when a material changes shape or size but the composition of the material does not change.

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

i think the answer is a, hope this is right, that would be my best guess.

a=d/t

a="triangle"v/t

explanation:

a = acceleration

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.