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1 what is the main difference between a coral colony and a hydroid colony2 what is the spontaneous generation
a cork ball of mass 120 g is placed between two very large horizontal planes of charge the bottom plane has a uniform
who invented the concepts of acidity and alkality what purpose did it serve at the
aluminum foil used for storing food weighs about 03gin2 how many atoms are contained in one square inch of aluminum
two blocks of masses m11 kg and m2 2 kg are connected by a massless cord passing over a massless frictionless pulley
sensory systems convey 4 basic types of information modalitylocation intensity and timingcan someone please describe
an object of mass 15 kg falls from a height of 80 m above the ground what will be its speed and kinetic energy when it
an acid ha has ka 228 x 10-4 the ionisation of this acid in a 0170 m solution of the acid in water is closet
an indoor running track is square-shaped with rounded corners each corner has a radius of 530 m on its inside edge the
any number of green plants can photosynthesize glucose c6h12o6 from carbon dioxide and water producing oxygen as the
a 160 cylindrical rod of diameter 0550 is connected to a power supply that maintains a constant potential difference of
aluminum melts at 660 degrees celsius and boils at 2450 degrees celsius its density is 270 gramscc calculate the
1 which of the following statements distinguishes dna and rnaa t is found only in dnab dna lacks a 2-hydroxyl on its
two infinitely large sheets of charge are vertical parallel to each other and 240 cm apart one of the sheets has a
one of the treatment for gangrene and the bends is a hyperbaric oxygenation this occurs in a chamber in which oxygen is
1 in a skin cell which of the following changes may lead to skincancera a change in a single nucleotide in a dna
a line of negative charge lies along the x-axis from -340 cm to 530 cm the line has a net charge of -850 nc that is
draw the major organic product formed when nitrobenzene reacts with cl2 in the presence of
an engine of an aircraft propeller delievers an amount of power 171 hp to the propeller at the rotational velocity of
benzene is a organic solvent with the formula c6h6 it boils at 801 degrees celcius and melts at 55 degrees celsius
a string is wrapped several times around the rim of a small hoop with radius 800 cm and mass 0180 kg the free end of
which of the following is an exception to the central dogma of molecular biologya production of rna in the nucleus of a
if the first solvent pair for recrystallization is ethanol-water what would happen if hexane replaced ethanol to make
a rocket which is in deep space and initially at rest relative to an inertial reference frame has a mass of 724 x 105
q-1 how might the reflective tissue aid the squid in its variedhabitatsq-2 describe how the gills change in thewater