Answer:
Denali, the continent's highest peak, stands at 6,194 meters (20,320 feet) within Denali National Park and Preserve in the U.S. state of Alaska. Yellowstone National Park, in the U.S. states of Wyoming, Montana, and Idaho, has some of the world's most active geysers. The rocky mountains include some of the highest peaks in North America
Explanation:
<span>The Great March on Washington</span>
B and D??? Sorry if incorrect but its my best guess
Three promotional materials used by public relations include pamphlets, books and articles.
The science of building relationships between an organization and its main audiences is called public relations. This branch may sometimes use promotional materials to reach their audience to promote their products and services.
