Select the correct answer. When do sunspots disappear?

A. Sunspots are always present and NEVER disappear.

B. Once the magnetic field weakens in the area and cold plasma enters the area of the sunspot

c.
Once the magnetic field weakens in the area and hotter plasma enters the area of the sunspot

D.
Once the magnetic field strengthens in the area and hotter plasma enters the area of the sunspot

B

Explanation:

unusually weak magnetic fields on the sun paired with reduced solar activity cause sunspots to disappear.

answers are:

lysogenic     viral dna merges with host cell dna

lysogenic     no symptoms

lytic               viral dna takes over

lysogenic     virus does not destroy host cell

lytic               virus destroys host cell

lytic               induces symptoms of viral infection

lysogenic       cell reproduces and spreads provirus