Answer:
The celestial poles are imaginary lines that trace the Earth's rotation axis in space. ... Because of this, constellations and stars close to the celestial poles, such as the Big Dipper, can be used to estimate time during the night.
Explanation:
The bird's eye contains a nictitating membrane which is a translucent, semitransparent inner eyelid. It sweeps across the surface of the eye enabling the bird to blink without losing sight of or without blocking their view.
Birds also have two different tear glands. One type of tear gland is located along the lower eyelid while the other is located at the base of the nictitating membrane. The second tear gland lubricates the bird's eyes whenever the nictitating membrane blinks.
Answer:
Keep in mind that any objective evidence of a disease, such as a skin rash or a cough, is a sign.
Explanation:
There are several signs that may conduct a disease. Some of them are fever, cough, high blood pressure, a rash, among others.
Hey There!
Basic units of all forms of life is D, the cell. Cells can be found in any living thing.
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