The
Sun is a
A. Star
B. Planet
C. Asteroid
D. Meteor
A. Star
B. Planet
C. Asteroid
D. Meteor
The
average adult has a blood volume of about __________ liters.
A. 4
B. 5
C. 6
D. 7
A. 4
B. 5
C. 6
D. 7
The
most abundant element in the universe is
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
The
most abundant element in the Earth’s crust is
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
A. Oxygen
B. Hydrogen
C. Carbon Dioxide
D. Silicon
Each day human body breathe in __________
liters of air.
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000
A. 5,000 to 10,000
B. 10,000 to 15,000
C. 15,000 to 20,000
D. 20,000 to 25,000