Which statements correctly describe theories? Check all that apply. All theories that scientists could discover have already been written.
Theories develop over time as new Scientific evidence is discovered.
Parts of theories cannot be disproved, but new parts can be added.
Theories and laws are the same types of rules about how nature works.
Theories can be changed when new fields of scientific study develop.

Theories develop over time as new Scientific evidence is discovered.

A law is what happens, a theory trys to explain why it happens. For example there is a gravitational force (law), the theroy of relitivity trys to explain why. it says that gravity is a warpiture in space and time created by all matter in the univerese.

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hope it helped.

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.