A(n) scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray.

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back

What makes a dominant allele different from a recessive allele

_is a product of the first stage of photosynthesis. atpglucosecarbon dioxidewater