Chemistry, 22.08.2019 23:30 gabbycasey102
Frank is doing an experiment to find out how the amount of oxygen dissolved in water affects the growth of algae in a body of water. he dissolves different amounts of oxygen in ten otherwise identical samples of water.
what should frank do next?
a.
carefully bring each sample of water to a boil, and measure the temperature at which each boils.
b.
add equal amounts of algae to each sample of water, and measure the rates at which they grow.
c.
add a pair of minnows to each sample of water, and measure the rate at which they reproduce.
d.
place each sample of water in a freezer, and measure the temperature at which each freezes.
Answers: 1
Chemistry, 21.06.2019 20:30
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
Answers: 2
Chemistry, 21.06.2019 22:30
This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry
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Frank is doing an experiment to find out how the amount of oxygen dissolved in water affects the gro...
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