Will give brainliest am confused its due in 20 min

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

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

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above