In the proportion f ~ T, the symbol f represents
A. radiation frequency.
B. any kind of force.
C. friction.
D. function.
Answer: A
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The process by which natural vegetation at a particular location undergoes a progressive sequence of different plant communities is called _______________
Fill in the blank(s) with correct word
The location of Washington, D.C. as the U.S. capital was made possible by a compromise between northern and southern states in 1790. What decision was analogous in Australia?
A. Melbourne and Sydney were competing to be the the national capital, so they built the new capital, Canberra, halfway between the two. B. Since Australia's population is evenly split between southeast and southwest coasts, Adelaide on the south coast was made the capital. C. White Australia's wanted an English name for the capital, but aborigines wanted an indigenous name, so the compromise was Canberra, which means "meeting place." D. Canberra's layout was designed by Chicago architects Walter Burly Griffin and Marion Mahony Griffin.
________ is the most rapidly growing energy source.
A. Oil B. Natural gas C. Coal D. Methane E. Nuclear power
Nuclear energy in power plants is created via ________
A) ionic transformation of atoms B) bombarding radioactive elements with electrons C) extraction of energy from the nucleus of cells D) fissioning uranium atoms by bombarding them with neutrons E) fusion of electrons