The varying amount of sunspot activity
The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
The earth's orbit around the sun as an exlipse rather than a circle
The rotation of during a 24-hour day
B. The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
Soil erosion
Soil wash
Silting of soil
Soil creep
core
photosphere
sunspots
corona
A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water
Nucleic acid
Carbohydrate
Collagen
Polymer
A mixture of FeO and Fe(OH)2
A mixture of Fe2O3 and Fe(OH)2
A mixture of Fe2O3, 3H2O and FeO
FeO only
Carbon Monoxide
Phosgene
Phosphine
None of these
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen
1H1
1H2
6C12
8O16
Calamine
Calcite
Galena
Bauxite
Mercury
Lithium
Lead
Silver
Increases
Remains unaltered
Drops sharply
Decreases
Carbon dioxide
Hydrogen Sulphide
Oxygen
Nitrogen
Zinc
Iron
Copper
Lead
the sun comes in between the moon and the earth
the moon comes in between the sun and the earth
the earth comes in the between the sun and the moon
None of the above
The varying amount of sunspot activity
The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun
The earth's orbit around the sun as an exlipse rather than a circle
The rotation of during a 24-hour day
A mixture of B and C
Silicon dioxide
Germenium dioxide
Sodium Silicate
Pulley
Microscope
Thermemoter
Barometer
Desiccation
Efflorescence
Deliquescene
Osmosis
Platinum
Quartz
gold
Diamond
Potassium Permanganate
Bleaching Powder
Chlorine
Washing Soda
Carbon
Hydrogen
Aluminium
Silicon
autogamy
entomophily
anemophily
ornithophily
Cat
Bear
Rabbit
Dog
It burns in air to form water
It supports combustion
It readily combines with fluorine and chlorine
It combines with almost all metals forming hydrides
evaporation
condensation
sublimation
deposition
It activate H2O molecule
Photo-electricity reaction starts
Some of the gas molecules become bigger
It cause combination of oxygen and nitrogen
Coulomb
Hum
Cycles
Decible
amylase
lipase
carboxypeptidase
carbonic anhydrase
Carbamide
Chloroetane
Aneurin
None of these