About how many tons of meteorites strike the Earth on a daily basis?
A. 20 tons
B. 20,000 tons
C. 200 tons
D. 2,000 tons
Answer: C
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Which statement about topsoil is correct?
A. Topsoil is a renewable resource but, since the renewal process is very slow, topsoil is easily depleted by human actions. B. Topsoil is a nonrenewable resource because the renewal process takes several million years. C. Topsoil is a renewable resource but, since the renewal process is very fast, it is rarely depleted by human actions. D. Topsoil is composed mainly of immature soils with some young soils.
Discuss four ways with examples on how each of us can provide environmental leadership.
What will be an ideal response?
The southern European country with the highest net migration rate in 2010 was Spain.
a. true b. false
Coal is a detrital (clastic) sedimentary rock. Indicate whether the statement is true or false