The skill of common bird in daily Task has been studied, and some results are opposite of expectation, suppose that the IQ score of 400 bird species have an average of 200, and the pigeon's score is 242, which has standard unit 1.5. this means the standard deviation of the 400 scores is ? 1) can't determined based of the given info
2) 42÷1.5
3) 42 * 1.5
4) 42

Technological solutions have good bad effects. what is one bad effect of spraying a chemical pesticide on crops

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a

Adult wasps sting caterpillars and inject their eggs into the caterpillars. the larvae feed on the caterpillars, leading to the death of the caterpillars. what kind of a relationship exists between the wasps and the caterpillars? a. the adult wasps are parasites to the caterpillars. b. the caterpillars are parasites to the wasps. c. the adult wasps are commensals, and the caterpillars are hosts. d. the caterpillars are commensals, and the adult wasps are hosts.