Which of the following observations lends itself best to scientific experimentation?
A) Archaeopteryx had a dinosaur-like skeleton but also had feathers.
B) Male house finches seem to sing more when there is a female house finch around than when they are alone.
C) My sister does not drive very well.
D) Someone egged my house last night.
B
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Cape Town, South Africa at about 34° south latitude, has what type of climate?
A) Cs ? Mediterranean B) Aw ? Tropical savanna C) Af ? Tropical rainy D) BW ? Desert E) ET ? Tundra
Critique the following statement made by a student looking at a TEM image of dolomite
"The TEM image shows regular patterns of small dots, large dots, and tiny dots. The formula for dolomite is CaMg[CO3]2. I think the large dots must be the carbonate groups." A) The student is correct. B) The student is probably correct because four atoms will make a larger mark than one atom. C) The student is probably incorrect because the single metal atoms have a denser arrangement of electrons than the carbonate group. D) The student is incorrect because the image must not be dolomite. Since there are four types of atoms, the TEM for dolomite should have four sizes of dots.
Normal sea level pressure has a standard value of 1013.2 mb (29.92 in. of Hg)
Indicate whether the statement is true or false
Which of the following is the best example of an ecosystem service?
A) a city cutting down a tree that is dying B) a park ranger checking fishing licenses C) soil microbes fixing atmospheric nitrogen D) a college environmental club cleaning up the shoulder of a highway E) the regulation of gas prices