<Li> Plague 1 -- water turned into blood ; fish died <Ul> <Li> Dr. Stephen Pflugmacher , a biologist at the Leibniz Institute for Water Ecology and Inland Fisheries in Berlin believes that rising temperatures could have turned the Nile into a slow - moving , muddy watercourse -- conditions favorable for the spread of toxic fresh water algae . As the alga Planktothrix rubescens dies , it turns the water red in a phenomenon known as `` Burgundy Blood '' . </Li> <Li> Alternatively , a bloody appearance could be due to an environmental change , such as a drought , which could have contributed to the spread of the Chromatiaceae bacteria which thrive in stagnant , oxygen - deprived water . </Li> </Ul> </Li>
<Li> Plague 1 -- water turned into blood ; fish died <Ul> <Li> Dr. Stephen Pflugmacher , a biologist at the Leibniz Institute for Water Ecology and Inland Fisheries in Berlin believes that rising temperatures could have turned the Nile into a slow - moving , muddy watercourse -- conditions favorable for the spread of toxic fresh water algae . As the alga Planktothrix rubescens dies , it turns the water red in a phenomenon known as `` Burgundy Blood '' . </Li> <Li> Alternatively , a bloody appearance could be due to an environmental change , such as a drought , which could have contributed to the spread of the Chromatiaceae bacteria which thrive in stagnant , oxygen - deprived water . </Li> </Ul> </Li>
what was the first plague god sent on egypt
what was the first plague god sent on egypt
water turned into blood
water turned into blood