Answer:
He demanded their removal and also announced a naval blockade of Cuba to prevent the Soviets from installing more missiles.
Cyanobacteria, also known as "blue-green algae", are the unicellular organisms which are able to produce oxygen.
Approximately 540 years ago, the atmosphere was very poor on oxygen. Cyanobacteria are thought to be responsible for the oxidization of the atmosphere back then, in an event known as <em>"The Great Oxygenation Event"</em>. As a result, Earth's life forms suffered drastic changes in their composition, as they evolved from being <em>anaerobic</em> to becoming organisms <em>highly dependant</em> on oxygen. The oxygenation of the atmosphere would eventually provide the adequate environment in order for the <em>Cambrian Explosion</em>, or the first diversification of living organisms, to happen.
The ballot initiative process gives California citizens a way to propose laws and constitutional amendments without the support of the Governor or the Legislature.
<span>There have been 5 major expansions in the US, the first was in the Louisiana </span>territory.
A documentary about the American Revolution is NOT an example of a primary source.
Answer: D) or the fourth option.
