List the steps thought to be involved in the evolution of Sun-like stars
What will be an ideal response?
Cloud of dust and gas (nebula) ? protostar ? main sequence star ? red giant ? planetary nebula ? white dwarf.
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To an ethologist, graffiti in an high-density urban area is least likely to be explained as a(n)
A) response to overcrowding. B) act of vandalism. C) expression of identity. D) claim to territory.
In the Mohr-Coulomb equation, the effective normal stress is equal to the:
a. cohesion b. normal stress c. normal stress minus the fluid pressure d. tangent of the angle of internal friction
Read the following scenario and determine whether it is an example of a rockfall, rockslide, slump, or creep.A giant boulder falls from a 100 m steep slope onto the interstate, closing the road for several hours. Engineers investigating the damage conclude that the boulder was likely dislodged due to the action of frost wedging.
A. Rockfall B. Rockslide C. Slump D. Creep
Green Revolution techniques ________
A) have contributed to an increased diversity of foods in the human diet B) have increased crop yields but may not be sustainable C) focus on preserving biodiversity D) focus on organic farming E) focus on sustainability