Analyze the following terms and phrases about solar activity. select the two that represent correct matches between cause and effect.(1 point)

a) solar activity -- sudden eruptions of large bubbles of plasma and magnetic energy

b) coronal mass ejection -- relatively cool spot on surface of the sun

c) sun's magnetic field -- uneven churning of the sun's gravitational field

d) solar flare -- sudden release of magnetic energy

e) sunspot -- magnetic field of the sun emerges as a loop

a) solar activity -- sudden eruptions of large bubbles of plasma and magnetic energy

and

d) solar flare -- sudden release of magnetic energy

Explanation:

We can start by eliminating the options that are definitely wrong.

A coronal mass ejection is not a relatively cool spot on surface of the sun, in fact such a spot is a sunspot, while a coronal mass ejection occurs when the  magnetic field of the sun emerges as a loop. Thus, both options B and E are incorrect, leaving only A,  C, and D. Option C makes no sense, as the sun's gravitational field does not 'churn'. Thus, only options A and D are left. A closer look at A and D reveals they are correct; solar flares are in fact sudden releases of magnetic energy, as seen in this quote from UC Berkeley's website; "Solar flares are caused by sudden changes of strong magnetic fields in the Sun's corona.". And solar activity is a blanket term for the effects of eruptions of plasma and magnetic energy from the sun.

Explanation:

Let us first calculate for Virgo

Using Hubble's law

For Virgo

Percentage difference for the Virgo

Now for calculate for Corona Borealis

Using Hubble's law

For Corona Borealis

Percentage difference for the Virgo

So clearly  Hubble's law is more accurate for the closer objects