What is an instrument used to detect earthquakes?

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

The graph below plots the temperature and luminosity of stars on the main sequence.

Which of these fragmental sedimentary rocks would most likely form farthest from the land?