41% are freshwater species, 1% moves back and fourth between salt water and fresh water and 58% are marine <span />
Answer:54 minutes
Step-by-step explanation:
9 x 5 = 45 then 45+ the.1 minute from each mile so it would be 9 +45 = 54 minutes
If it doubles every 4 hours, in 12 hours you will have 3 doublings.
2 * 2 * 2 = 8
90*8 = 720 pounds of algae
D/4 - 3/4
I don’t know for sure though