Which substance is a binary acid? hydrochloric acid
phosphoric acid
nitrous acid
sulfuric acid

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al