Answer:
Hi... Before 1900 mendel was working about genetic so your answer is none of the above
Constants are factors that are not changed in the experiment. Since the experiment is testing different colors of light on plant growth, light color is being changed, and is therefore not a constant. Hope this helps! :)
My guess would be mRNA or RNA but I'm not too sure about this question, sorry.
Answer:
1:1
Explanation:
What is the concentration of H+ ions at a pH = 7?
⇒ 0.0000001 mol/L
What is the concentration of OH– ions at a pH = 7?
⇒ 0.0000001 mol/L
What is the ratio of H+ ions to OH– ions at a pH = 7?
1 :1