If an unshielded sample of radioactive material emits alpha particles, what effect will it have on a person sitting in the next room? (assume the wall between rooms is composed of concrete.

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?

Match with o for organic and i for inorganic for each compound

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin