Lacey designs dresses. She can keep designing casual dresses that bring $65 but are easy to sell, or she could design formal gowns that sell for $500 but must be high fashion. She takes a risk on formal
gowns
a. The opportunity cost is

$65

Step-by-step explanation:

opportunity cost of the next best option forgone when one alternative is chosen over other alternatives

By making formal gowns, she is forgoing the opportunity to earn $65 making casual dresses. this is her opportunity cost

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.