I believe they are made of the same thing our ribs are made of Bones
B. chloroplast carrries out photo synthesis
Answer:
The crossing is shown in the explanation below:
Explanation:
Let the dormant gene be
Natural indicators are important because they relate information about the acidity or alkalinity of a substance by demonstrating a shift in color which inform the observer about the pH level of the concerned material.
Natural indicators possess useful chemicals which relate information about pH level and because of this they are used in manufacturing of chemical indicators.<span />
Explanation:
In all living system we can always find basic elements carbon, oxygen, nitrogen and hydrogen, carbon is the basic building unit contained in living matter. The percentage of carbon in the mass of living matter is 19.0% oxygen and hydrogen are present in almost all organic compound which creates living organisms.