Oxygen is required for efficient synthesis of (what organic molecule) by cellular respiration.

The articles of confederation allowed congress to: make and borrow money. declare war. create a postal service. all of these choices are correct.

Put these events in the correct order #1-4. cause: world war 1 caused heavy casualties and property damage throughout europe. many people barely had enough food to eat or coal to stay warm. what happened next? question 1 options: communism soon spread to many small countries near russia, and eventually spread to cuba, china, and vietnam. led by vladimir lenin, a group called the bolshevik party gained the support of the people and overthrew russia’s monarchy, killing czar nicholas ii and his family. russia, now led by lenin, became the first communist nation in history. russian citizens, who were starving and poor, became angry at the ruling class who held all of the nation’s wealth. 1 2 3 4

How have the united states influenced other nations? describe the impact that the u. s. has had on other countries.