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Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)

The Seven Sacraments of the Roman Catholic church

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

current

fluid flow

Learn about this topic in these articles:

use of jetties

In jetty
…be narrowed to concentrate the current and thus help maintain a navigable channel. These structures—variously termed spurs, spur dikes, and groins—may also be projected from the concave side of a river to retard bank erosion.
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