Currently, earth's tilt is closest to
a. 0°
b. 14.5°
c. 23.5°
d. none of these because, earth's tilt changes dramatically with each orbit

Gunpowder residue is most likely to show up where on a shooters hands

How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions