Which are examples of science rather than pseudoscience? Check all that apply.People can get rid of hiccups by holding their breath.The US surgeon general’s 1964 report declared that smoking cigarettes was linked to cancer.Going outside with wet hair will cause a person to catch a cold.The average global temperature of Earth has increased by almost two degrees in the last century.A rock formation on the surface of Mars that looks like a face provides evidence of life.
How can scientists ensure that their results are reliable? Check all that apply.by making multiple observationsby repeating trialsby publishing results on the Internetby using proper unitsby making random guesses
A group of scientists must complete a study, but they have limited funding from a government organization. What practical ways could these scientists work around this limitation? Check all that apply.Make up the results of their study based on limited evidence.Limit the scope of the study.Complete smaller studies over a longer period.Give up on conducting the experiment.Create models for large or complex components.
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