Feathers are modified as scales. According to the history, birds which have feathers are the descendants of the dinosaurs which have scales.
That's why feathers are categorized as scales in the present record according to studies. <span />
Answer:
it nitro(N) accounts for 70% of the earth's atmosphere
Explanation:
i believe the answer is d. hope it helps
Answer:
<em><u>Pancreas</u></em> is Insulin is released when blood sugar levels are too high
<em><u>Thymus Gland</u></em> is Your immune system fight off an infection
<em><u>Pineal Gland </u></em>is you begin to feel sleepy after a long session
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Explanation: Hope it helps :)
It should be 3 or 6... Not 100% sure.
