Which sequence is correct for these events?
1. pilgrims land at plymouth.
2. fighting begins at lexington and concord.
3. spanish conquest destroys mesoamerican civilizations.
4. james madison and others write a new plan for government.
a.
1, 2, 3, 4,
b.
3, 1, 2, 4
c.
4, 1, 3, 2
d.
2, 4, 1, 3

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste