2) Which is true about UVA and UVB rays?
A Both rays can be blocked
100% by sunscreen
B. UVA protects the surface, UVB
protects beneath the surface
C. UVB rays cause burning. UVA
rays cause premature aging
D. UVA rays cause burning. UVB
rays cause premature aging

Which sentence best expresses the differing opinions of these two book reviews?

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. the following chemical equation shows the combustion of ethane. balance the equation by filling in the coefficients. c2h6 + o2 → co2 + h2o

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?