Answer:
If you use the bicycle as a reference frame, your dog will appear to be moving backwards farther from you/your bicycle. Although the dog is sitting on one place, your bicycle is moving away from the dog
Explanation:
Answer:
Density of a substance is the ratio of mass of the substance to its volume.
A. True.
You can make a hygrometer using strands of hair.
I uploaded the answer to a file hosting. Here's link:
tinyurl.com/wpazsebu
The evidence that astronomers use to prove jets travel in opposite direction is Spectral lines from a very fast moving ionized gases.
<h3>Who are the astronomers?</h3>
Astronomer is a person who study astronomy which is a scientific study that has to do with space, space bodies, comets, planets, stars and so on.
Therefore, The evidence that astronomers use to prove jets travel in opposite direction is Spectral lines from a very fast moving ionized gases.
Learn more about astronomers below.
brainly.com/question/10826203
#SPJ11