1 mm = 0.0001m
450 x 0.001 m = 0.45 meters
North towards the middle east, before moving east towards Thailand, before going south
B. They are longer and more detailed
Answer: The Lewis and Clark Expedition began in 1804, when President Thomas Jefferson ... with exploring lands west of the Mississippi River that comprised the Louisiana Purchase. The expedition provided new geographic, ecological and social information about previously uncharted areas of North America.
This question is a little ambiguous as it doesn't give reference to what 'favourable' is but I've attached a diagram that depicts the different types of climate in Brazil to help.
(This is more of a geography question than history)