Why does Carson think that living things cannot adapt to overcome the new chemicals that human beings introduce to the natural world?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

What is the primary function of the nervous system?

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.