The power generated by photovoltaic cells in an array ________________.
A. is alternating current and can be directly used by the power company
B. is direct current power
C. can be increased by having the array track the movement of the sun
D. both B and C
Question 2
To make sites more sustainable by collecting rainwater ___________________ __.
A. water from downspouts and parking lot runoff can be directed to underground storage for later purification and irrigation uses
B. permeable and porous pavers can be used to allow water to pass through them to recharge ground water.
C. porous asphalt can lessen the amount of water flowing into storm sewers
D. all of the above
Electrical charge of the inner and outer regions of nerve cells
The growing demand for electrical power, carbon sequestration and storage must be a priority
From Cells to Organs and Organ Systems
Ragged-red fibers in skeletal muscle cells
1.6 Organisms are made up of cells, each of which contains an identical set of genes.
The extracellular matrix is nonliving material secreted by the cells