Liz has designed a sailboat. She wants to build a prototype of the boat. Liz has $12,000 to spend on the boat. $7,000 of that money is budgeted for wood. Liz needs 500 ft of wood planks. Assuming that Liz will use only one type of wood for her entire project, which of the following could she use to stay on budget?

A. Marine plywood only.
B. She could use any of these woods listed.
C. Marine plywood of Douglas for only.
D. Marine plywood, Douglas fir, or white oak only

How to tell if a molecule is polar or nonpolar with electronegativity

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?