HURRY UP ANSWER MY QUESTION Why does a balloon filled with gas become smaller when placed in a colder environment?
A. atoms / molecules speed up in the cold and thus push out on the balloon more

B. atoms / molecules slow down at lower temperatures and thus push out on the balloon less frequently and with less energy

C. atoms / molecules slow down in the cold and thus push out on the balloon more

D. atoms / molecules speed up in the cold and thus push out on the balloon less
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Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box

The allotropes of carbon include a variety of structures that include three-dimensional tetrahedral lattices, planes of hexagonal rings, cylindrical tubes of hexagonal rings, and spheres of five- and six-membered rings. similar shapes of network covalent atomic solids are possible with carbon nitride, boron, and pure silicon (e. g., silicene is a graphene-like allotrope of pure silicon). in contrast, silicates exist as either highly ordered or amorphous (more random) three-dimensional lattices. what could explain why there are there no naturally occurring sheets, stacked sheets, cylindrical tubes, or spheres of network covalent atomic solids composed of silicon and oxygen (sio2)? would pure silicate structures make good lubricants or good electrical conductors?

Floor 19 is an isotope of fluorine it has different number a. electrons b. protons c. neutrons d. electron shells