How would an asthma attack most likely affect oxygen delivery in the body? a. oxygen delivery would be decreased due to a decrease in air intake. b. oxygen delivery would be increased due to an increase in air intake. c. oxygen delivery would be increased due to an increase in blood flow. d. oxygen delivery would be decreased due to a decrease in blood flow.

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

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2

Select the star life cycle that is accurate