All are mentioned as ways to manage soil EXCEPT which of the following
A. Improving the use of fertilizers and other inputs
B. Maintaining organic matter
C. Managing farm practice
D. Selecting soils for their best intended use

b because why would it matter if the soil was organic if what you are growing isn't organic

Figure 4.3 in the textbook ("Elemental Emission") shows the emission spectrum of neon gas. If the temperature of the gas was increased, we would observe
fewer red lines and more blue lines.
even more red lines.
some faint absorption features.
no significant change.

The visible spectrum of sunlight reflected from Saturn's cold moon Titan would be expected to be
continuous.
emission spectrum.
absorption spectrum.

The graphs below are from the New York Times cited in the lecture. Which of the following statements can we conclude from looking at the graphs?


Black women whose parents were median income earners have lower income rank than white women whose parents were median income earners.

Black men whose parents were median income earners have income ranks comparable to white men whose parents were in the lowest income decile.

For both racial and gender groups depicted, the children of the parents with the highest income ranks have higher income ranks than their parents.

Parents transfer more resources to sons than daughters.