Scenario: Maria is in a committed relationship and is currently using oral contraceptives. She is aware that her partner has had multiple previous partners and is concerned about STIs. What additional measure should she take?

Which of the following methods would not be advised for a forgetful 19-year old woman? (mark all that apply)

What are biomolecules primarily responsible for in living organisms?

Arrange the following in order of increasing atomic radius and increasing ionization energy. Sr, Ba, Ca  

5.0 grams of carbon dioxide are sealed in an evacuated 2.0 L plastic soda bottle. What is the pressure inside the bottle when the carbon dioxide is heated to 30 degrees Celsius?

What is the correct electron configuration for Cr+3 ?

L.E.A.P.S. Communication stands for:

Arrange the following in order of increasing EN. O, N, and F

  A 3.0-L sample of helium was placed in a container fitted with a porous membrane. Half of the helium effused through the membrane in 24 hours. A 3.0-L sample of oxygen was placed in an identical container. How many hours will it take for half of the oxygen to effuse through the membrane?

A condition that an individual may have had since birth or childhood which has prevented them from full social or vocational independence in adulthood, and which continues through their life span is: