The antiparticle of an electronic is _______?
The antiparticle of an electronic is _______?
A. Positron
B. Proton
C. Alpha particular
D. None of these
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The Virus of AIDS affects the growth of_____________?
The Virus of AIDS affects the growth of_____________?
A. Hemoglobin
B. RBCs in blood
C. T cells in blood
D. Grey Cells in bloodSkin has ___________ layers?
Skin has ___________ layers?A. One
B. Two
C. Three
D. FourThe Shape of earth is _________?
The Shape of earth is _________?A. Elliptical
B. Oblate Spheroid
C. Oval
D. SphericalUnderground water and the water on the earth’s surface is called ?
Underground water and the water on the earth’s surface is called ?A. Mezosphere
B. Ionosphere
C. Hydrosphere
D. None of theseA hydrosphere is the total amount of water on a planet. The hydrosphere includes water that is on the surface of the planet, underground, and in the air. A planet’s hydrosphere can be liquid, vapor, or ice. On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers.
What is the addictive drug in tobacco ______________?
What is the addictive drug in tobacco ______________?
A. Ethanol
B. Nicotine
C. Ammonia
D. Tar‘Black holes’ refers to_______________?
‘Black holes’ refers to_______________?
A. Holes occurring in heavenly bodies
B. Bright spots on the sun
C. Collapsing object of high density
D. Collapsing object of low density