Experts are absolutely sure that there is danger to the health of people living underneath power transmission lines
What will be an ideal response?
All the research has not sustained this allegation. In some cases, some studies
show correlations between exposure and effect, but different studies reporting an effect find
the effects to be different, not consistent from study to study.
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A cylindrical tank (height h, radius r) is full to the brim of water and its top is open to the outside air. What expression describes the speed of fluid flowing out of a hole that is opened up at height h’ above the bottom of the tank?
a. 
b. 
c. 
d. 
How might one connect four 10. volt batteries to create one equivalent battery having a potential of 20. volts?
What will be an ideal response?
An unconformity is
A) a scientific debate between Earth scientists. B) when younger igneous plutonic rocks are above older sediments. C) a continuous sequence of sedimentary layers. D) a gap in an otherwise continuous time-sequence of rock layers.
The graph of position versus time is given for a train. What can you say about the train’s motion from time t1 to time t2?
A. it is moving with constant velocity
B. it is not moving
C. it is moving with a constant negative velocity
D. it is accelerating
