You received 1.2 inches of rain in the last 12 hours. Answer the following questions in scientific notation using the correct number of significant digits.
a. How many cubic inches of water fell on an acre of land?
b. How many gallons of water fell per acre? (Note: 1 gal = 231 cu in.)
a. 7.5 × 106 in3
b. 3.2 × 104
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Flowers with an enlarged calyx, such as carnations and roses, require the use of the ____________________ method of wiring
Fill in the blank(s) with correct word
____ is/are specially-formulated to remove the coatings and disrupt the interior membranes of insects
a. Oils c. Insecticidal soaps b. Rubbing alcohol d. Pesticides
For living walls, a ____ system is installed and gently trickles water, with soluble fertilizer if needed,
on the substrate layer from above.
a. subirrigation c. weeping-type irrigation b. vertical irrigation d. horizontal irrigation
Technician A says regenerative braking takes the place of the traditional brake system on HEVs. Technician B says regenerative braking uses kinetic energy during acceleration to recharge the high-voltage battery. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B