Which plants first developed a circulatory system?
a.
mosses
c.
ferns
b.
worts
d.
horsetails

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.