How did scientists obtain environmental dna (dna) from carp in the
waterways near chicago?
o
a. they collected water samples and isolated dna the fish had left
behind.
o
b. they extracted dna directly from the wastes of the fish.
c. they collected carp eggs, from which they extracted dna.
o
d. they captured carp and extracted dna directly from the fish.

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ask your friends for what they got then copy it down if you don't have any friends which is fine than google it or pay the teacher

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

i am sorry but i need more information and a picture.