Chief cells secrete inactive pepsinogen in order to prevent acid erosion inside of the chief cells. True or False

Which best describes how parents affect the genotype of a child? a.the parents decide what to feed their child b.the parents choose whether to educate their child c.the parents allow their child to stay up late d. the parents pass along genes to the child

In the practice of science, this type of reasoning is used to develop explanations.

Several billion years ago which gas was the least prevailant in the atmosphere