Answer: What do red signs indicate?
Red: Red generally means stop. The use of red on signs is limited to stop, yield, and prohibition signs. White: A white background indicates a regulatory sign.
Explanation:
D. seems the most probable since plastic is barely biodegradable.
Explanation:
The brain itself does not feel pain because there are no nociceptors located in brain tissue itself. This feature explains why neurosurgeons can operate on brain tissue without causing a patient discomfort, and, in some cases, can even perform surgery while the patient is awake.
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The inside of your nose is called the nasal cavity. A mucous membrane lines your nasal cavity and it helps keep your nose moist. Little hairs inside your nasal cavity help filter the air you breathe in and block dirt and dust from getting into your lungs.
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