In a sequence of undisturbed sedimentary rocks, the oldest fossils will be ____

a. in the top rock layer
b. in the middle rock layer
c. in the bottom rock layer
d. unable to be determined
e. indistinguishable from the other fossils


c

Environmental & Atmospheric Sciences

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Dr. Santiago Lopez (Figure 10.32) uses geotechnologies such as _____ to study the effects of slash-and-burn cultivation on the ecosystems of Amazon region.

A. soil sampling B. non-participant observation C. remote sensing and GIS/GPS D. the magnetic compass and topo maps

Environmental & Atmospheric Sciences

How is it possible for an element to decay "forward in the periodic table"—that is, to decay to an element of higher atomic number?

A) when the decay is instigated by a collision with a proton B) as a beta particle is released, a neutron transforms into a proton C) This only occurs during nuclear fusion. D) It is not possible. Radioactive decay always results in an isotope with the same or lower atomic number.

Environmental & Atmospheric Sciences

An average person might consume 2,000 Kilocalories of food in one day

This is enough energy to heat up how many 2-liter bottles of liquid water from 0 degrees Celsius to 100 degrees Celsius (just reaching the boiling point of water, but not turning the water into steam)? A) 1 2-liter bottle B) 5 2-liter bottles C) 10 2-liter bottles D) 20 2-liter bottles

Environmental & Atmospheric Sciences

Which of the following best matches the description?Pollutants produced by the interaction of primary pollutants with other molecules or an energy source.

A. primary air pollutants B. particulates C. radon D. photochemical smog E. acid deposition F. ozone G. greenhouse effect H. sulfur dioxide I. thermal inversion J. oxides of nitrogen K. secondary air pollutants

Environmental & Atmospheric Sciences