While standing at the Tropic of Cancer, Emma's shadow points north at noon (Sun time). Based on this, which of the following can be definitely concluded?
A) It must be the summer solstice.
B) It must be the winter solstice.
C) It must be one of the equinoxes.
D) It must not be the summer solstice.
E) It must not be the winter solstice.
Question 2
Which of the following is true of microthermal climates?
A) They have a small seasonal temperature range, hence the term microthermal.
B) Because of the latitude at which they occur, these climates occupy the largest land area of any climate.
C) In the Southern Hemisphere, these climates develop only in highland regions.
D) All of the subtypes of this climate have a uniform annual precipitation regime.
The principle of faunal succession uses animal fossils to tell relative time.
Habitat reconstruction is possible based on the kinds of plants present at past sites.
Varieties of Trigger Points
A model of the 70S ribosome based upon early structural data
Physics: Power, Energy and Time
North American temperate deciduous forest. Forest soil profile at right.