Planck determined the universe is _________ years old in 2013?
A. 13.82 billion years
B. 4.53 billion years
C. 4.6 billion years
D. 4.53 billion years
Each day, people consume ______ liters of pure oxygen..
A. 550
B. 2500
C. 1,050
D. 10,000
Dry ice’s chemical make-up is?
A. Solid Carbon Dioxide
B. Calcium Carbon
C. A&B
D. Sodium Oxide
The moon is a…?
A. Star
B. Planet
C. A & B
D. Satellite
Measurement science is referred to as…?
A. Entomology
B. Metrology
C. Ichthyology
D. Ecology
How dense is milk, exactly?
A. 1.024 g/cm3
B. 1.034 g/cm3
C. 1.044 g/cm3
D. 1.054 g/cm3
Water has a _____ density.
A. 897 kg/m³
B. 997 kg/m³
C. 1000 kg/m³
D. 1025 kg/m³
The atmosphere has how many layers?
A. 2
B. 3
C. 4
D. 5
There is no relationship between supernova explosion and ?
A. Cosmic rays
B. Pulsars
C. The formation of heavy elements
D. Quasars
Einstein’s general theory of relativity tells a fact about universe that ______.
A. Must be expanding
B. Must be contracting
C. Must be either expanding or contracting
D. Must be neither expanding nor contracting