Answer:
b. when dots of color are painted close together, the eye combines the dots and sees a single color
Explanation:
Pointillism is a technique used in painting where the artist places dots close together to ccreate a mix of them that observers experience optically.
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Untreated acute allergic reaction is a life-threatening situation because its symptoms can progress quickly. The most dangerous is the Anaphylaxis. It can be triggered by drugs, food, or injections, which a person may experience itching, swelling, difficulty in breathing, panic, and collapse. The worse is cardiac arrest when not treated immediately. Moreover, a prolonged illness may also develop as its late phase such as severe asthma.
It is the spinal cord that does it.