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<!--Created on: 5/7/2026 8:23:24 AM-->
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  <xsd:element id="aqb_OhioFarmProjectMember" name="OhioFarmProjectMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"></xsd:element>
  <xsd:element id="aqb_CanadianFarmMember" name="CanadianFarmMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema"></xsd:element>
  <xsd:element id="aqb_LoanForgiveness" name="LoanForgiveness" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"></xsd:element>
  <xsd:element id="aqb_DisposalgroupincludingdiscontinuedoperationgeneralandadministrativeexpenseincreaseDecrease" name="DisposalgroupincludingdiscontinuedoperationgeneralandadministrativeexpenseincreaseDecrease" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema"></xsd:element>
  <xsd:element id="aqb_DebtConversionAccruedInterestConverted" name="DebtConversionAccruedInterestConverted" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema"></xsd:element>
  <xsd:element id="aqb_PlacementAgentFeePercentageOfGrossProceeds" name="PlacementAgentFeePercentageOfGrossProceeds" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema"></xsd:element></schema>
