Which of the following is the best definition of a short circuit?

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

Astate of matter all that has define volume and can flow is a(n)

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader