an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
B. an OR circuit
Increases
Remains unaltered
Drops sharply
Decreases
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
2CaSO4, H2O
CaSO4
CaSO4, 2H2O
2CaSO4, 4H2O
1H1
1H2
6C12
8O16
Earthquakes
Magnetic reversals
Hurricanses
Increased deposition of deep-sea sediments
None of these
Ultraviolet rays
Infra Red rays
Cosmic Rays
core
photosphere
sunspots
corona
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
Methane, Butane and Propane
Methane, Ethane and Hexane
Ethane, Hexane and Nonane
Methane, Hexane and Nonane
Argon
Vanadium
Iodine
Sulphur
Nucleic acid
Carbohydrate
Collagen
Polymer
Mercury
Lithium
Lead
Silver
Platinum
Quartz
gold
Diamond
S
Ga
Se
I
Sodium
Cerium
Francium
Lithium
Potassium Permanganate
Bleaching Powder
Chlorine
Washing Soda
Orion
Terylene
Rayon
Nylon
Beaufort scale
Secant scale
Mercalli scale
Richter scale
Silver
Magnesium
Platinium
Mercury
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
Soil erosion
Soil wash
Silting of soil
Soil creep
autogamy
entomophily
anemophily
ornithophily
permeable
semipermeable
selectively permeable
impermeable
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
Atomic warfare
Depletion of earth's ozone layer
CO2 from fossil fuels
Dust clouds from valcanoes
Atomic number
Atomic mass
Quantum numbers
None of these
Sulphonates
Zeolites
Nitrates
None of these
Carbon Monoxide
Phosgene
Phosphine
None of these
A piece of iron that is not a permanent magnet
The north pole of another permanent magnet
A positively charged glass rod
A negatively charged rubber rod
Amphibian
Shark
Bony fish
Mammal