Using the map of North American time zones for reference, if it is 8:00 P. M. standard time on Thursday in Baltimore (39 ∘ N, 77 ∘ W), what is the day and time in Sacramento (39 ∘ N, 121 ∘ W)?

How do oceanographers measure the salinity of ocean water?

When reading a textbook blank. a) it’s safe to assume that the ingot is not biased b) you should watch for fallacies in information and author bias c) you should fact check everything you read d) it is understood that academic sources are not biased

Which country in the video has the highest population growth rate?