I think the correct answer from the choices listed above is option C/ One reason that a product does not always form is due to unfavorable geometry of the reactants involved. When the geometry is not good for substances to react then no reaction can occur although there is enough energy present.
Answer:
Yeah
Explanation:
Before a cell starts dividing, it is in the "Interphase." It seems that cells must be constantly dividing, but each cell actually spends most of its time in the interphase
C. The number of the outer shells in the atom
Answer:D
Explanation: The pulmonary air sacs of birds only permit a unidirectional flow of air through the lungs. Unidirectional flow means that air is inhale and exhale through one trachea alternatively. This means the bird lungs only receive largely fresh air which has a high oxygen content during inhalation and do not receive fresh during exhalation. While air flow bidirectional in mammals.
It contains a majority of the cells genetic material