Use your understanding of the terms “soluble” and “insoluble” to explain why you must shake a bottle of salad dressing made with oil and vinegar before you use it.

Prince henry the navigator promoted the study of navigation and sponsored several voyages along africa's west coast. what country was henry the navigator from?

Why did the use of african slaves increase in the americans during the 1500s

Which action best describes how constituents can influence local and state government officials? a) not voting b) door to door c) withholding campaign funds eliminate d) phone, email, or office visit