The spanish built presidios in order to

a. protect missions from attack.

b. serve as mission churches.

c. provide centers of government.

d. act as trading centers.

Chemical weathering can increase physical weathering rates because it increases the exposed surface area. true false

What do you think a spaceship can do for modern society

Ocean pollution: affects the amount of oxygen in the atmosphere is a result of coastal cities dumping sewage is caused by super tankers that spill oil all of the above

Evaporated water condenses in the atmosphere to forma. snowc. cloudsb. the jet streamd. rain

What is soil that has been moved away from its parent bedrock?

1. Why is Earth more suitable for life than Venus?

Scientists collect current data about the Earth's surface temperatures in all the following ways except: a. land-based meteorological stations b. sea-surface buoys with temperature sensors c. air bubbles that form in winter ice d. weather balloons

Which statement describes the standard living for the average russian since the fall of the sovient union a. the standard of living has risen dramatically for most Russians b. the standard of living for most people ha worsened c.

What causes the frequent migration of animals in Africa

What is the main role of the Westerlies? Question 6 options: forcing the cold air toward the poles provide ships with clear sailing around the equator carrying the warm, equatorial waters and winds to the western coasts of continents distributing