Why is a skeptical attitude important in science? a)it allows scientists to challenge inaccurate information. b)it allows scientists to accept all information as true. c)it ensures that scientists write short articles. d)it highlights the good features of an experiment. e)it provokes other scientists.

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

In which state was more than 100 billion tons of coal mined in 2005?

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10