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<span>A. The bear's wound will heal after an injury by forming a scab.
B. The bear will go into hibernation when winter arrives to preserve energy and heat.
</span><span>D. The bear will defend itself against threats.</span>
Psychological disorder is not genetic.it is about emotional a more term than mental illness
Answer:
Yes, carbonic acid is the part of blood buffer system.
Explanation:
Carbonic acid is a part of blood buffer system which helps in regulating of pH of the blood. Hydronium ion is responsible for the increase in acidity of the blood. The carbonic acid dissociates into bicarbonate and hydrogen ion, this bicarbonate ions react with the hydronium ion and prevent the pH of the blood from decreasing so we can say that carbonic acid is an essential part of blood buffer system.
<span>B.
TRUE
"</span>About 200 million years ago<span>, the supercontinent began to </span>break up<span>."
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