All countries have an official language.
a. true
b. false
Ans: b. false
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Which of the following is data (meaning actual observation) rather than an interpretation?
a) some trees along Yellowstone Lake were flooded when the land north of the lake rose because of magma at depth b) rising and sinking of the land around Yellowstone is related to underlying magma c) the ages of volcanic centers near Yellowstone indicate that North America is moving southwest over the mantle d) all of the above are data rather than interpretations e) all of the above are interpretations rather than data
Land degradation is often enhanced by social systems that influence the ways that local farmers manage their land
Indicate whether the statement is true or false
A dark, shiny coat of iron and manganese oxides on pebbles, stones, and larger outcrops is known as ________
A) a reg B) desert varnish C) pediment D) a hamada E) an erg
__________ is the process of recovering organic waste through decomposition.
A. recycling B. composting C. recovery D. combustion