Author Question: Over the past few decades, food portions have: a. become smaller. b. become larger. c. stayed ... (Read 173 times)

B · **on:** Jun 22, 2018

Over the past few decades, food portions have:

a. become smaller.
b. become larger.
c. stayed the same size.
d. become larger, mainly in schools and on children's menus in restaurants.

Question 2

Environmental hazards:

a. are only a problem if the pregnant woman was exposed during the embryonic period of development.
b. include lead, mercury, PCBs, and radiation.
c. lead to mental retardation, but rarely physical deformations.
d. include ultrasound and x-rays.