Because the crystal structure of ice is different from that of water, liquid water expands when it freezes.
Answer the following statement true (T) or false (F)
True
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List three sedimentary structures and explain what each one indicates about the depositional environment
What will be an ideal response?
Genetic drift refers to ________
A) a change in the overall distribution of a population B) a change in the frequency of a population's genes because of mutation C) a change in the frequency of a species' occurrence D) a change in the frequency of genes in a population because of tectonic plate movement E) a change in the frequency of a population's inherited trait brought about by a chance event
Radiation detectors use which of the following properties to detect radioactivity?
A) charge B) ionizing ability C) mass D) all of these
Which of the following can be caused by overpumping of groundwater?
A) Land subsidence B) A change in the flow direction C) The destruction of an aquifer D) All of these can be caused by overpumping.