Carotenoids are often found in foods that are considered to have antioxidant properties in human nutrition. what related function do they have in plants?

a. they serve as accessory pigments to increase light absorption
b. they protect against oxidative damage from excessive light energy
c. they shield the chromosomes of the plant from harmful ultraviolet radiation
d. they reflect orange light and enhance red light absorption by chloropyll
e. they take up and remove toxins from the groundwater

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water