The energy value of food is measured in_______?
The energy value of food is measured in_______?
A. Joule
B. Calories
C. Tesla
D. Proteins
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A dolphin perceives its environment by the sense of__________?
A dolphin perceives its environment by the sense of__________?A. Sight
B. Sound
C. Both of these
D. None of theseWhat is the degree of rotation of the earth each hour?
What is the degree of rotation of the earth each hour?A. 1°
B. 5°
C. 7.5°
D. 15°Sound travels about ___________times faster in water than in air.
Sound travels about ___________times faster in water than in air.A. 2
B. 3
C. 4
D. 5Sound travels 4.3 times faster in water than air. In water, the particles are much closer together and they can quickly transmit vibration energy and the sound wave travels over four times faster than it would in air.
Instrument that measure the electric force ________?
Instrument that measure the electric force ________?A. Hygrometer
B. Hydrometer
C. Ammeter
D. VoltmeterName the Scientist who stated that matter can be converted into energy?
Name the Scientist who stated that matter can be converted into energy?A. Boyle
B. Einstein
C. Avogadro
D. LavoisierThe earth’s atmosphere is divided into layers based on the vertical profile of __________?
The earth’s atmosphere is divided into layers based on the vertical profile of __________?
A. Air pressure
B. Air temperature
C. Air density
D. Wind speed