Unlike large solar collection fields and dams, wind farms
A) keep the surrounding land available for farming.
B) can continue to generate electricity every hour of the day.
C) do not generate greenhouse gases.
D) are very inexpensive to build.
Question 2
Kudzu vine, chestnut blight, fire ants, and Japanese beetles are all examples of
A) asexually reproducing species.
B) invasive species.
C) species that evolved because of recent geographic isolation.
D) species that evolved on the Galpagos Islands.
Amazing NASA Pictures Collection
Specimen collection techniques
Do you know what that large object in the center of the photo is? In the 1920s, 30s, and 40s, ...
Overview of the Solar System
The two visual fields of each eye are nasal (medial) and temporal (lateral)
Variation in Solar Intensity With Latitude