The answer is charged amino
acid group.
<span>Grouping of amino acid into
one of three categories are only based on its R group. And there is an amino
and carboxyl group are present in the amino acid that are ionized so we can say
that amino acid is technically charged and there is one thing to remember that
Amino acids that are classified as polar, they are not having any charge.</span>
B. The Hubble Space Telescope
Cyanobacteria convert nitrates from the water into nitrogen gas (N2<span>) that is released into the atmosphere</span>
I believe the answer to be true
BUT I AM NOT 100% SURE!
Areas of study that try mimic science for cultural and commercial gain are called, Pseudoscience.