Leticia is trying to lift a box using the least amount of force. Which lever should she use? Group of answer choices. (this is science)

A. lever
B. screw
C. pulley
D. inclined pline

What events caused the united states to intervene in southwest asia?

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

List 3 factors commonly used to select the location of a city