Roberta is a healthcare professional at Dr. Ingram's office. She has a patient on the phone who wants to make an appointment with Dr. Ingram. What will Roberta first take into consideration when looking for an open appointment time?

A depletion of ________ is the primary cause of heat cramps

A) nitrogen B) glucose C) potassium D) salt

The International Union of Pure and Applied Chemistry (IUPAC) uses which of the following rules when naming alkanes?

a. Locates the shortest chain of carbon atoms in the chemical structure. b. Assigns numbers consecutively to each carbon atom in the main chain starting from the end the gives the alkyl substituents attached to the chain the smaller numbers. c. If several substituents occur in the same compound, indicate the substituents alphabetically using the first letter of the main chain. d. The main chain of the structure should always be writing vertically.