HELP HELP HELP (the last onne was deleted )

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.