ArcaMax

Knowledge

on Apr 28, 2025

Atmosphere
Core
Mantle
Corona

Mantle. The four layers of the earth are the crust, mantle, outer core and inner core.

Science Trivia / April 28, 2025

Blood Pressure Test. Blood pressure is measured in millimeters of mercury.

Science Trivia / April 27, 2025

Fossil Record. The earth's fossil record provides information about evolution.

Science Trivia / April 27, 2025

Dehydration. A healthy adult male should drink approximately 3 liters of water per day.

Science Trivia / April 26, 2025

Face. On average, hair grows about 0.5 inches per month, or six inches in a year.

Science Trivia / April 26, 2025

Insulator. An insulator is any substance that blocks or retards the flow of electrical or thermal currents.

Science Trivia / April 25, 2025

Sundial. The simplest shadow clock is simply a vertical stick.