Your friend Leah is one month pregnant. You tell her to eliminate any exposure to teratogens right now, because they could harm the embryo. When she asks what they could do to the embryo, you say that, right now, the teratogens could cause problems with

Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

What are examples of the plant life and animal life that can be found in each type of terrarium