To fully eliminate all infectious microorganisms, which of the following measures must be used?
a. cleansing
b. disinfection
c. sterilization
d. washing

If a robot fixed another robot is it a engineer or doctor?

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?