______________ is used for measuring velocity?
______________ is used for measuring velocity?
A. Speedometer
B. Anemometer
C. Odometer
D. Hygrometer
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What is the range, in hertz, of the normal human hearing?
What is the range, in hertz, of the normal human hearing?A. 10 Hz to 10 kHz
B. 20 Hz to 20 kHz
C. 2000Hz
D. 40 Hz to 40 kHzOuter layer of the human skin is called __________?
Outer layer of the human skin is called __________?A. Hypodermis
B. Dermis
C. Hemidermis
D. EpidermisMain use of salt in diet is to : ___________?
Main use of salt in diet is to : ___________?A. ease the process of cooking
B. increase the taste
C. produce small amount of hydrochloric acid required for digestion
D. inclease solubility of food particles in waterThe mean distance of the earth from the sun is astronomical units is____________?
The mean distance of the earth from the sun is astronomical units is____________?A. 3.7 AU
B. 10 AU
C. 1 AU
D. 101 AUNote : In astronomy, an average astronomical unit is defined as the average distance from the Sun to the Earth, or about 150m KM ( 93 million miles ). You can abbreviate astronomical unit as AU. Since the distance in astronomy are so vast, astronomers use this measurement to bring the size of numbers down.
For general reference, we can say that one astronomical unit (AU) represents the mean distance between the Earth and our sun. An AU is approximately 93 million miles (150 million km). It’s approximately 8 light-minutes. More exactly, one astronomical unit (AU) = 92,955,807 miles (149,597,871 km).What animal has longest gestation period of about 640 to 660 days or 95 weeks of any land animal ?
What animal has longest gestation period of about 640 to 660 days or 95 weeks of any land animal ?A. Blue Whale
B. Elephant
C. Opossum
D. None of theseEEG records the activity of__________?
EEG records the activity of__________?A. Heart
B. Lungs
C. Brain
D. MusclesElectroencephalography (EEG) measures voltage fluctuations resulting from ionic current within the neurons of the brain. In clinical contexts, EEG refers to the recording of the brain’s spontaneous electrical activity over a period of time, as recorded from multiple electrodes placed on the scalp.