before the emergence of life of what gases was
Before the emergence of life of what gases was the earth's primitive atmosphere constituted?
The earth's primitive atmosphere was basically produced of methane, hydrogen, ammonia and water vapor.
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what is the spontaneous generation hypothesisthe spontaneous generation hypothesys or abiogenesis asserts that life on earth has come from nonliving
q can a vector have a component equivalent to zero and still have a nonzero magnitudeanswer-yes for example the 2-dimensional vector 1 0 has length
what is the autotrophic hypothesis on the origin of life the autotrophic hypothesis on the origin of life asserts that the first living beings on
q illustrate when are intermolecular forces the strongestanswer-intermolecular forces dispersion and dipole-dipole and hydrogen bonds these forces
before the emergence of life of what gases was the earths primitive atmosphere constitutedthe earths primitive atmosphere was basically produced of
q illustrate what is a thermal transformationanswer-chemical or else physical changes are not requiring a change in the temperature of the substance
a figure skater who while spinning in place drag her arms in to increase her rotational speed is most closely exhibiting which of the
q which of the following isnt true of guglielmo marconis experiments on wireless transmissionanswer-a in 1901 he broadcasted a signal from
what are the main constituents of the earths atmosphere in our timethe present atmosphere of the earth is constituted mostly of molecular nitrogen n2
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