How does science use models to gain better understanding of concepts?

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

What processes would you expect to be key in the production of yogurt ?

Why is it to call the calvin cycle the light independent reactions vs the dark reactions