what do you mean all I see is Gianna is going to throw a ball from the top floor
Answer: D
Explanation because there is no point in having to know other skills. that don't evolve your job.
The unit that is used to indicate mass is the kilogram (kg).
<h3>What is Mass?</h3>
This refers to the weight of an object that occupies a given space and has the SI unit of kilograms.
Hence, we can see that when measuring the mass of either a person or an object, the universal quantity that is used is the kilogram and this is also used to solve physics calculations.
Read more about mass here:
brainly.com/question/1762479
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Answer: light from other galaxies is red.
Explanation: Astronomers have observed that light from the distant object in the universe is shifted towards the frequency of red color which indicates that those object are receding or moving away from the planet earth.This phenomena was termed as Red shift .Same thing goes for galaxies which are very far away from the planet earth.
Where as if galaxies were moving towards the the planet earth their light would have shifted toward the frequency of blue color termed as blue shift.
