How does the whole question go?
The answer is Redshift in electromagnetic spectrum. hope this helps, have an amazing day :)
A scientific theory is a well-tested explanation for a wide range of observations or experimental results. A hypothesis is a possible answer to a question.
Answer:
Pressure is the force per unit area. This means that the pressure a solid object exerts on another solid surface is its weight in newtons divided by its area in square metres.Explanation:
