The solar system formed from the ?
a. collision of two massive stars.
b. grouping together of asteroids.
c. collapse of an interstellar cloud.
d. explosion of an interstellar sun.

How does a lytic infection differ from a lysogenic infection?

Someone me with this: a mineral' is determined by its actomic structure.

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?