Will give brainiest to person who answers plz answer this question correctly

There is two parts to this question part A and Part B answer both Please.

Part A: D

Explanation: I'm also a little confused, if the text above has anything to do with it, if so then the answer would be D.

Answer Part B: B

Explanation: I'm a little confused on Part B, but a sqrare is a quadrilateral because it has 4 equal sides and angles.

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation: