You are weightless when you
A. momentarily step off a curb.
B. orbit in today's space stations.
C. lack a support force.
D. all of the above
Answer: D
You might also like to view...
Which are the primary molecules of heredity?
a. carbohydrates b. enzymes c. lipids d. proteins
e. nucleic acidsThe one-way flow of high-quality energy from the sun is known as the chemical cycling principle of sustainability.
Answer the following statement true (T) or false (F)
Which of the following is an example of a first order of relief?
A) the Alps and Rockies B) the Tibetan Plateau C) the Shenandoah Valley D) North America plate
Monoculture farming ________
A) is always accompanied by no-till agriculture B) requires no chemical fertilizers or pesticides C) accounts for less than 1% of U.S. croplands D) is a development of industrial agriculture E) is typical of Native American farming techniques