Answer:
Together,the number of protons and the number of neutrons determine an elements isotopes have slightly different mass numbers, the atomic mass is calculated by obtaining the mean of the mass numbers for its isotopes.
hope it is helpful....
D. He controlled variables by studying one or two traits at a time
A. yellow
The yellow xanthophylls are the next most soluble, followed by the blue-green chlorophyll A. The least soluble pigment is the yellow green chlorophyll B. You may be wondering why plants have more than one pigment.
The brain has contralateral control over the body. This means that the left side of the brain controls the ride side of the body, and the right side controls the left. In this case, after a stroke in the right cerebral hemisphere, the patient would be having problems with the left side of his body. The finding that supports the nurse's anticipation would be the left-sided facial droops.
