Hello there
<span>The Clean Water Act does not ensure high water quality throughout the nation because it does not have a means of enforcement.
I believe the correct option is A
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Nitrogen Fixating bacteria ( such as cyanobacteria or clostridum) can convert gaseous nitrogen in the air into amonia, a compound that organism can use to make amino acid and other nitrogen-containing organic molecules
I believe its D I hope it helps
Answer:
Explanation:
The frequency of the wave is 0.5 hertz.
La frecuencia de la onda es de 0,5 hercios.
