Motor neuron disease includes loss of motor neurons in the anterior horns of the spinal cord and motor nuclei of the lower brain stem.
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Cleavage.
Color.
Fluorescent Minerals.
Hardness.
Luster.
Miscellaneous Properties.
Specific Gravity.
Streak.
The answer is D
Explanation:
I apologise for the late answer, but D would be the best one, as it does not discuss morality or anything differing from person to person. The effect it has on birds however, can be readily studied using the scientific method.
A. Four equal size daughter cells will form.