Which statement could be considered a scientific theory?

a. Beauty pageant contestants are becoming increasingly more beautiful.
b. Chemistry and physics are more exact sciences than biology.
c. Change occurs in the inherited traits of a population over generations.
d. The growth of a plant is faster in a growth chamber than in a greenhouse.
e. Leaves bend toward the light because they know light is needed to grow.


c

Physics & Space Science

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Data on binary galaxies is analyzed to determine their average masses under the assumption that they, like binary stars, have ________ orbits

Fill in the blank(s) with correct word

Physics & Space Science

Clocks in a moving reference frame, compared to identical clocks in a stationary reference frame, appear to run

A. backward in time. B. slower. C. faster. D. at the same rate.

Physics & Space Science

If the velocity versus time graph of an object is a straight line making an angle of 30 degrees with the time axis, the object is

A) moving with constant non-zero speed. B) moving with constant non-zero acceleration. C) at rest. D) moving with infinite speed. E) none of the above

Physics & Space Science

Determine the resistance R when I = 1.5 A



a.
40 ?

b.
8.0 ?

c.
85 ?

d.
28 ?

e.
32 ?

Physics & Space Science