Answer:
f. light
Explanation:
too little sunlight can cause seedlings to turn yellow
Valence electrons are the electron on the outer energy level and they are important because they tell if that element is compatable
1.
a. deoxyribose sugar, phosphate, and nitrogen-containing base
b. deoxyribose sugar
c. cytosine
d. adenine, thymine, guanine. and cytosine