How is stepping off a curb similar to taking a ride aboard the space shuttle?
What will be an ideal response?
In both instances you experience weightlessness. The main difference is in the time involved. Stepping off a curb involves apparent weightlessness for a very brief time. Orbiting in the space shuttle involves all the time you're coasting in orbit.
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Most of the stars in colliding galaxies
A. exchange amounts of material in proportion to their masses. B. undergo accelerated collapse. C. end up as binaries. D. coalesce into larger stars. E. do not make contact with one another.
What is a closed system, and why is it necessary for a rock or mineral being dated to be a closed
system? What is the result if it is not a closed system? What will be an ideal response?
Chicago, Illinois (latitude 42°N) is located in the ____
A) northeast trades B) southeast trades C) westerlies D) doldrums
Which of the following best matches the description?Migration of organisms from a concentrated population into areas with lower population densities.
A. density-dependent limiting factor B. age distribution C. carrying capacity D. lag phase E. density-independent factor F. population density G. K-strategist H. death phase I. immigration J. environmental resistance K. biotic potential L. exponential growth phase M. r-strategist N. dispersal O. emigration P. stable equilibrium phase