What naturally-occurring material is composed of a mixture of rock particles, decaying plant and animal matter, water, air and microscopic organisms?
What will be an ideal response?
soil
Environmental & Atmospheric Sciences
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The best solution to ease traffic congestion and reduce air pollution is
A. Develop a successful mass transit system B. Produce more fuel-efficient vehicles C. Build more freeways D. Build more airports E. All of these
Environmental & Atmospheric Sciences
The oxygen in Earth’s atmosphere was formed from the process of ____________. Fill in the blank(s) with the appropriate word(s)
Environmental & Atmospheric Sciences
Foreign organisms, called introduced species, have been known to be beneficial to native species by sharing food and space.?
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Limestone recrystallizes during metamorphism into
A. quartzite B. marble C. hornfels D. schist
Environmental & Atmospheric Sciences