Which is not an affect of estrogen in women? A. Regulates menstruation
B. Regulates egg development
C. Regulates no aspects of pregnancy
D. Regulates egg development and menstruation

Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus

What do nitrifying bacteria convert

Which animal is a producer in this ecosystem