What does imperious mean. First one to anwser gets brainliest anwser

You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then mix the solution. describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.

Why did the author include the fact that 40,000 african americans participated in the bus boycott

What experience makes wind-wolf want to stop attending school?