The smallest unit of life that can survive and reproduce on its own is a(n):
a. atom
b. cell
c. molecule
d. organ
e. population
b
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If the log of the creep strain rate is plotted as a function of the log of the applied stress, the slope is equal to the _________of the applied stress.
Fill in the blank(s) with the appropriate word(s).
How can we determine an asteroid's reflectivity?
A) by determining its mass B) by comparing its infrared thermal emission to its visible-light reflection C) by seeing how dark or light it looks in telescopic images D) by determining how far from the Sun it is E) by determining its size
A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its potential energy is a minimum?
A) at either A or B B) midway between A and B C) one-third of the way between A and B D) one-fourth of the way between A and B E) none of the above
The sensitive dependence upon initial conditions of the evolution of some physical systems is a feature of
a. gravitation. b. fractals. c. air resistance. d. dynamical chaos. e. quantum mechanics.