A child collected data about the motion of a toy train on a straight track and recorded the data in the graph below witch of these Accurately describes the motion of the toy train

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

20 the compound al(nh3)2 has atoms of nitrogen.

What is responsible for the uneven heating between the poles and the equator on any given day