Benjamin franklin founded or help numerous organizations and instutuions...
Answer:
I think its D
Explanation:
because the mitochondria makes energy and the cell wall lets things in and out of it
Answer:
Plants require 17 essential elements for growth: carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), potassium (K), sulfur (S), cal- cium (Ca), magnesium (Mg), boron (B), chlorine (Cl), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), and zinc (Zn).
<span>Enzymes are biological molecules that speed up the rate of almost all the chemical reactions that happen within cells. They are very important and serve important functions to the body like helping with digestion and metabolism.</span>
Placebo-controlled<span> studies is one of the ways testing a medical research in which, in addition to a </span>group<span> of subjects that receives the treatment to be evaluated, a separate </span>control group<span> receives a sham "</span>placebo<span>" treatment which is specifically designed to have no real effect. So, the answer for this question is letter D. Those placebo doses are for used as a control group in an experiment.</span>