what are the symptoms of mumps

Discomfort in the salivary glands (in the front of the neck) or the parotid glands (immediately in front of the ears). Either of these glands may become swollen and tender.

Difficulty chewing.

Pain and tenderness of the testicles.

Fever.

Headache.

Muscle aches.

Tiredness.

Loss of appetite

Explanation:

because the light is a great source of energy for the plants to survive. (i hope this )

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.