Yeast is a facultative anaerobe. this means that alcohol fermentation takes place only if:
the temperature is close to 37â°c
the atmosphere does not contain oxygen
sugar is provided to the cells
light is provided to the cells

answer; atp and nadph;

i think that d. wind is the answer.   i missed the question when i answered a. currents.

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.  

a. an idea which cannot be disproven!

explanation: