In studies scientists have found that the level of carbon dioxide has increased. what is an explanation for this?
a. volcanoes erupting
b. humans use of fossil fuels
c. climate change
d. photosynthesis

According ti the following map, what are the most common mineral resources found in the united states?

What types of details should a draft of a research based essay contain? check all that apply-paraphrased information-information from questionable sources-facts that relate to the topic-quotations that illustrate ideas to convey-plagiarized information

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?