Which of the following are physical ways to remove oil near and on the shoreline? biodegradation and cleaners burning and soaping booms and vacuums dispersal agents and sorbents

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Which body region are part of the cephalic region?

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.