Who is the founder of solar system?
Who is the founder of solar system?A. Copernicus
B. Newton
C. Galileo
D. Kepler
B. Newton
C. Galileo
D. Kepler
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Which one of the following elements the drum of a Photostat machine is made up of: _________?
Which one of the following elements the drum of a Photostat machine is made up of: _________?A. Aluminium
B. Selenium
C. Barium
D. None of theseThe variety of coal in which the deposit contains recognizable traces of the original plant material is____________?
The variety of coal in which the deposit contains recognizable traces of the original plant material is____________?
A. bitumen
B. anthracite
C. lignite
D. peatWhich element is called earth maker?
Which element is called earth maker?A. Oxygen
B. Silicon
C. Carbon
D. HydrogenIodised salts contains the iodine salts of which metal?
Iodised salts contains the iodine salts of which metal?A. Iodine
B. Potassium
C. Sodium Chloride
D. ChlorineWhen oil and gas resources are burnt they kill many forests and lakes by ________________ ?
When oil and gas resources are burnt they kill many forests and lakes by ________________ ?
A. deforestation
B. water pollution
C. acid rain
D. forest fireStudy of fruit is called___________?
Study of fruit is called___________?A. Pomology
B. Plriculture
C. Sericulture
D. Apiculture