Answer:
A:temperature
Explanation:
The temperature cannot be determined by looking at the spectra of the star due to lack of the equipment for its measurement. <em>On the other-hand, the remaining statements like the distance from earth, movement towards or away from earth can be determined.</em>
6 - one sodium atom, 1 hydrogen atom, 1 carbon atom, and 3 oxygen atoms.
I’m pretty sure it’s true
To fine volume, you have to divide the mass by the density of the substance. in this, you’ll do 19.6/7.83=2.50
It is a trial aimed to reduce bias during an experiment. An example would be a sugar pill, something that has no real effect so that the results of the true trial can accurately be compared. Its like a control group.
