D Question 1
1 pt
1. What is the best definition of the term "theory," as it is used in science?
1 A theory is a guess or hunch about something that has occurred in nature.
2 A theory is a hypothesis that uses laws and observation to make an assumption.
3A theory is based on verifiable laws and can be proven true.
4 A theory is a comprehensive set of ideas explaining a phenomenon in nature.
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Which of the following is a compound? a. carbon b. oxygen c. hydrogen d. water

May someone me with these science questions

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?