________ is the energy required to expand the surface area of a ...

[plus1]

________ is the energy required to expand the surface area of a liquid by a unit amount of area.
 
  A) Viscosity
  B) Surface tension
  C) Volatility
  D) Meniscus
  E) Capillary action

Question 2

Drugs in the tetracycline group are called broad-spectrum antibiotics because they
 
  A) require exposure to light in order to be effective.
  B) are active against a wide variety of bacteria.
  C) have very few side-effects.
  D) do not have any organisms that are resistant to them.

[at]

Answer to Question 1

B

Answer to Question 2

B

[plus1]

Gracias!

[dantucker]

Thanks for the timely response, appreciate it