Sound travels_______ in solid materials then liquid?
Sound travels_______ in solid materials then liquid?A. Constant
B. Slowest
C. Fastest
D. None of these
B. Slowest
C. Fastest
D. None of these
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Who said that light is made of corpuscles/particles?
Who said that light is made of corpuscles/particles?A. Maxwell
B. Einstein
B. Newton
D. HuygeinOzone layer thickness is measured in____________?
Ozone layer thickness is measured in____________?A. Metre
B. Joule
C. Pounds
D. DobsonA pulsar is a rapidly spinning neutron star which emits:
A pulsar is a rapidly sning neutron star which emits:
A. A blinding light when it aligns with the planets
B. Radio waves detectable from Earth
C. A gravitational pull which attracts high energy dust particles
D. Enough energy to power itself indefinitelyIsotopes of an element have the same number of _______?
Isotopes of an element have the same number of _______?A. Neutrons
B. Protons
C. Electrons
D. Beta raysWhich of the following is the flightless bird?
Which of the following is the flightless bird?A. Pavo cristatus
B. kakapo
C. Passer
D. None of theseThe kakapo, also called owl parrot, is a species of large, flightless, nocturnal, ground-dwelling parrot of the super-family Strigopoidea, endemic to New Zealand. It has finely blotched yellow-green plumage, a distinct facial disc, a large grey beak, short legs, large feet, and relatively short wings and tail.
Some other flightless birds you might know are. Emu, dodo, emperor penguin, little penguin & common ostrich.The scientific study of insects is known as _______?
The scientific study of insects is known as _______?A. Ichthyology
B. Entomology
C. Zoology
D. Botany