How long does the earth take to cover 1° longitude?
How long does the earth take to cover 1° longitude?
A. 2 Minutes
B. 3 Minutes
C. 4 Minutes
D. 5 Minutes
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Which gas is commonly used in balloons and airships?
Which gas is commonly used in balloons and airships?A. Helium
B. Hydrogen
C. Carbon
D. ChlorineGamma rays have greatest similarity with?
Gamma rays have greatest similarity with?A. a-rays
B. X-rays
C. b-rays
D. U.V.-raysWhat are the primary colors of Light?
What are the primary colors of Light?A. White, Black, Blue
B. Red, Yellow, Blue
C. Red, Orange, Blue
D. Red, Green, Blue
What are the primary colors of Pigment?
A. White, Black, Blue
B. Red, Yellow, Blue
C. Red, Orange, Blue
D. Red, Green, Blue
The scientific study of measurement is known as __________?
The scientific study of measurement is known as __________?A. Entomology
B. Metrology
C. Ichthyology
D. EcologyThe distance between the earth and the sun is smallest in the month of _________?
The distance between the earth and the sun is smallest in the month of _________?A. February
B. January
C. December
D. AprilAtom is made up of____________different kinds of subatomic particles:
Atom is made up of____________different kinds of subatomic particles:A. Three
B. Two
C. Four
D. None