Abe planted 70,000 seeds per acre on 820 acres. The seed had 86.5 percent germination. He had a 4.1 percent loss from insect damage.
a. What was the population per acre? (Note: Do not count the loss
from insect damage.)
b. How many plants per acre were lost from insect damage?
c. Express the total population in scientific notation with one decimal place.
a. 60,550 plants
b. 2,483 plants
c. 4.8 × 107
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Which of these is NOT one of the four major lines of dogs?
A) ?hounds and terriers B) ?companion dogs C) guard dogs? D) herd dogs
You should lightly apply your brakes to flash the brake lights if:
a. A police car is approaching you from the other direction. b. You are about to exit the road and need to slow down. c. A driver tailgates you vehicle.
You should you use low beams whenever you can
a. true b. false
(a) If a vacancy disc forms on a basal plane of a hexagonal metal close?packed metal, what stacking sequence of basal planes would result across the disc?
(b) Why would the strain energy of the resulting stacking fault be very high? (c) Explain how a simple shear along the basal plane, equal to a Cheekily partial, could eliminatethe high energy stacking fault and replace it with one of lower energy. (d) What then would be the stacking arrangement of the basal planes at the fault? (e) Is the result in (d) unique or are there several basic probabilites? Explain.