Explain why squeezing a plastic mustard bottle forces mustard out to top.

The mixture you separated was mixture oof iron filings, sand, and salt. Based on your understanding of matter, is this mixture a homogeneous mixture or heterogeneous mixture? How do you know? A.

Green light can have a wavelength of 543 nm. the energy of a photon of this light is

If the force of gravity increases, which mearsurement will change and how? A.) weight decreases B.) mass increases C.) mass decreases D.) weight increases

Why should physical education classes be separated by gender. Give 2 reasons why

Sir William Herschel counted the number of stars in different directions, and getting similar numbers in each direction along the disk, concluded the Sun was near the center of a disk like collection of stars.

If a 50 kg student is standing on the edge of a cliff. Find the student's gravitational potential energy if the cliff is 40 m high.

Mammals have how many characteristics in common? a. 5 c. 7 b. 6 d. 8

A driver can exceed the postage maximum speed limit in a work zone T or F?

At what condition the screw gauge dors not have zero error

Which response is the least effective when confronted with trying drugs or alcohol? "I'd rather be in control of what I do." "My future means too much to me to ruin it." "It's okay to lose control every once in a while.