Answer:
I am guessing The second Cause only petroleum stay in the top of water
Hormones -- such as melatonin and cortisol; the former signals the body to go to bed, while the latter signals for the sleeping person to wake up -- are created by physiological changes.
Answer:
Answer is phloem.
Explanation:
The phloem is responsible for the transportation of food substances or metabolic materials or products, from the point of manufacture , which is the leaves, to all parts of the plant. It also transports mRNA and proteins.
It consists or comprises of different cells which include, fibers, sieve element, sclereids and parenchyma cells.
All elements have certain characteristics that are summarized on the periodic table. These characteristics include the element's symbol, atomic number, and atomic mass. You will learn how the number of protons in an atom relates to an element's atomic number, and explore how isotopes affect the atomic mass.
