The investigators could distinguish human hair from animal hair by the patter of pigmentation and by the medullary index.
The pigmentation in human hairs is denser toward the cuticle, whereas in animal hair is denser toward the medulla. Human hairs are usually one colour throughout the whole length, while animal hairs may change colour suddenly.
The medulla in humans is thinner than in animals: the medullary index for human hairs is 0.33 or less; the medullary index for animal hairs is 0.5 or more.
Answer:
ATP D.) is the right answer.
Explanation:
My explanation is that I am not trying to be mean(I literally just looked it up)
If you measure the width of a book with a ruler you are collecting DATA. Data is the facts and statistics collected together for analysis.
Answer:
chlorophyll is the green pigment on the leaves of plant
Chemical energy is the potential of a chemical substance to undergo a chemical reaction to transform into other substances. Examples include batteries, food, gasoline, and etc. Breaking or making of chemical bonds involves energy, which may be either absorbed or evolved from a chemical system.
Would advise you use your own words