The process by which organisms that are better adapted to the environment survive and reproduce is called.

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Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Suppose you increase your walking speed from 7 m/s to 15 m/s in a period of 1 s. what is your acceleration?