What discovery would support the hypotheis that dinosaurse are closely related to birds

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

Label the offspring chromosomes a1, a2, b1, or b2. circle any mutation chromosomes.