B.
If enough evidence is found for the theory, it will become a law.
Answer:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
Explanation:
Because it needs to be able to be proven and it avoids being incorrect.
Chlorophyll is the green pigment present in the leaves , they help to trap sunlight. Answer. Cholorophyl is present in the leaves it exchange the gases like carbondioxide and oxygen. the green pigment of of leaves are called chlorophyll.
Answer:
Todo ser vivo está formado por células.
La celula eucariota es la más evolucionada se puede denominar en animal o vegetal