A. What are the two major characteristics that change when air is heated and cooled? (2 points)
B. How do these characteristics change the movement of air? (6 points)
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C. What is the name of the cycle that develops during these changes? (2 points)
D. Draw a diagram to illustrate this process. (4 points)
E. Why do the changes you described in part B provide an example of a cycle? (4 points)

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit