99 points

air pollution leads to destruction of walls of the alveoli. use complete sentences to explain how respiration is likely to be affected by air pollution.

Are salt and soap nutrients or toxins for yeast? explain.

What is the name for a substance formed in a chemical reaction

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.