This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "Submarine Hydrokenetic and Riverine Kilo-megawatt Systems SBIR/STTR (SHARKS SBIR/STTR)".  The full solicitation on the SHARKS SBIR/STTR FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov/).