Weegy: Albert Einstein developed a theory that describes how light interacts with gravity.
User: Which scientist developed the heliocentric model for the solar system?
A. Copernicus
B. Aristotle
C. Ptolemy
D. Johannes Kepler
Weegy: Copernicus developed the heliocentric model for the solar system.
User: In a star, nuclear fusion occurs in the
A. corona.
B. core.
C. photosphere.
D. radiative zone.
Weegy: In a star, nuclear fusion occurs in the core.
User: Which of the following is not a place where hydrogen can be found on Earth?
A. Water
B. Natural gas well
C. Mine
D. Atmosphere
(More) 3
None of these choices seems correct. Water (H2O) is the most common source of hydrogen on Earth. Wherever there is breathable air (down a mine, in the atmosphere), there is hydrogen as a component of water vapor. Natural gas is normally methane, CH4.
Added 9/26/2022 1:47:54 PM
This answer has been confirmed as correct and helpful.