Plsss I need help my test is due soon and I am stuck

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

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

Which of these is a provisioning service people get from the ocean