If humans someday colonize Mars, what must they do?

have food, water, and o2

Explanation:

answer; (c) on the left side; ; ; ; ; ; ; ; ; ; ; ; ; speech is localized on the left side of the brain;

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.