The sunspots produce huge ejections of particles that:
A) accelerate the melting of ice sheets.
B) produce auroras in Earth's atmosphere.
C) rapidly increase the temperature at the surface of Earth.
D) do not generally interact with the Earth system.
B
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________ is a coarse-grained sedimentary rock formed by the cementation of rounded gravel.
A. Pebble rock B. Mega sandstone C. Breccia D. Conglomerate E. Boulder rock
Why is the use of proxy data necessary when studying past climate change?
A) Modern recording instruments are skewed by pollutants in the atmosphere B) Modern data has been biased by religious influence or political ideologies C) Instrumental records only go back a couple of centuries and are more incomplete the older they are D) Geological and atmospheric changes occurring at the time work differently than today
List the pathway of photo-transduction in order.
1. optic chiasm 2. thalamus 3. optic tract 4. occipital lobe
More than three-fourths of all sunshine falls on ________ as it reaches Earth's surface
A) water B) soil C) continents D) rocks E) clouds