Gordon adds a piece of solid zinc metal to a beaker of hydrochloric acid. he identifies the products as zinc chloride and hydrogen gas. which process took place in the beaker? a. evaporation b. condensation c. a physical change d. a chemical change

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

What enzyme is most important for dna replication and why?