The options are ATP, NADH, FADH2,CO2 !!

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 the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

What was darwins theory of common decent