ArcaMax

Knowledge

on Jul 17, 2024

Germany
England
France
The United States

The United States. The Pennsylvania Period is noted by the abundance of coal, especially in the Appalachians of the United States.

Science Trivia / September 07, 2024

Refraction. Refraction is the change in direction of a light wave due to a change in its speed.

Science Trivia / September 07, 2024

All Cells Possess A Cell Membrane. Matthias Jakob Schleiden and Theodor Schwann proposed the "cell theory" in 1838.

Science Trivia / September 06, 2024

Venus. The surface of Venus is rocky, dusty and waterless.

Science Trivia / September 06, 2024

Tracking Force. A tonearm tracking force should be adjusted for the cartridge specifications.

Science Trivia / September 05, 2024

Quartz. Many beaches claim to be the worlds longest including 90 Mile Beach in Australia and Long Beach, Washington.

Science Trivia / September 05, 2024

Landforms. Landforms are natural features of the earth's surface, like mountains, valleys, plains and hills.