Angelica is an engineer who is designing a system of solar panels that will be placed on the roofs of houses in a new neighborhood. Which of the following factors are most important for her to take into account to ensure that her design is successful? A.
the season in which the solar panels will be installed and the cost of the needed materials
B.
the time it will take to install the solar panels and how many cars will be parked at each house
C.
the width of the streets in the neighborhood and the time it will take to install the solar panels
D.
the cost of the needed materials and the area of each roof that is frequently exposed to sunlight
( 7th grade science)