What is it called when the Earth is closest to the sun _____________?
What is it called when the Earth is closest to the sun _____________?
A. Aphelion
B. Perihelion
C. Apoapsis
D. Periapsis
What is it called when the Earth is closest to the sun _____________?
A. Aphelion
B. Perihelion
C. Apoapsis
D. Periapsis
A. Small intestine
B. Mouth
C. Large intestine
D. Spleen
A. Sound waves
B. Time
C. Color contrast
D. Water waves
The purpose of a chronometer is to measure accurately the time of a known fixed location, for example Greenwich Mean Time (GMT).
A. Dalton
B. Galileo Galilei
C. Bacon
D. Einstein
Which on of the following planets orbits around the sun in a clockwise direction?
A. Earth
B. Mercury
C. Jupiter
D. Venus
A. Sulphur dioxide
B. Carbon dioxide
C. Nitrogen dioxide
D. CFC’s
A. Einstein
B. Newton
C. Gahleo
D. Hubble