Astronomical causes of climate change occur with cycles of:
A) 1 - 5 million yrs.
B) 450,000 yrs.
C) 26,000 - 100,000 yrs.
D) 100 million yrs.
E) 20,000 yrs.
Question 2
Several efforts globally are being carried out to standardize languages. Which of the following is NOT taking place?
A) Members of the Spanish Royal Academy produce and update an official dictionary of Spanish words.
B) Brazil, Portugal, and several Portuguese speaking nations in Africa agreed to standardize Portuguese written form.
C) French was standardized according to that spoken in Paris.
D) The British and Americans meet regularly to standardize pronunciation and spelling.
E) Portugal disagrees with Brazil over some standardization because it favors Western Hemisphere Portuguese.
Barriers to change
The voltage-gated channel cycles during an action potential
Climate Change: Volcanoes Timescale
Changing Patterns of Climate:Hurricanes
Cycles in ice sheet growth and decay
Climate Zones