This table represents the proportional relationship between the number of boxes and the number of magnetic cubes held by the boxes.

Cubes
Boxes
Number of cubes
1
n
5
625
8
1,000

What is the unknown value representing the unit rate?

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.

the barter