This document includes questions and answers that pertain to the ARPA-E Funding Opportunity Announcement (FOA) entitled "Exploratory Topics: Targeted Topics: E - Critical Mineral Extraction from Ocean Macroalgal Biomass (Algal Mining))".  The full solicitation on the Exploratory Topics: Targeted Topic: E - Algal Mining FOA and additional information can be found on the ARPA-E Funding Opportunity Exchange website (https://arpa-e-foa.energy.gov).