The best and most correct answer among the choices provided by your question is the first choice.
The long-term effect if the trend continues would be: <span>Arteries and veins will fuse, causing oxygenated and deoxygenated blood to mix.</span>
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The answer to the question above is letter "B. metabolism". General meaning of the word is that it is a chemical process that occur within the living organism in order to maintain life. The metabolism of the body is divided into two categories, anabolism and catabolism.
Answer:
triple bonds
Explanation:
One carbon atom forms four covalent bonds with four hydrogen atoms by sharing a pair of electrons between itself and each hydrogen (H) atom.
When a substance, like water, moves from an area of high concentration to low concentration.
In other words, the substance goes from where it is to where it isn’t.