The most recent estimates are that genetics contribute approx. ____________ to the development of personality characteristics such as shyness or activity level. *
Fill in the blank(s) with the appropriate word(s).
30-50%
Physics & Space Science
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Stars continue to form in the halo of our Galaxy today
Indicate whether the statement is true or false
Physics & Space Science
A star has a parallax of 0.01 arc seconds. Its distance is
A) 1 parsec. B) 0.01 parsecs. C) 10 parsecs D) 0.1 parsecs. E) 100 parsecs.
Physics & Space Science
Two wires A and B with circular cross sections are made of the same metal and have equal lengths, but the resistance of wire A is three times greater than that of wire B. What is the ratio of the cross-sectional area of A to that of B?
1.3 2.?3 3.1 4.1/?3 5.1/3
Physics & Space Science
Resistors in Combination: What is the equivalent resistance in the circuit shown in the figure?
A. 80 ? B. 55 ? C. 50 ? D. 35 ?
Physics & Space Science