Use of the data booklet is relevant to this question.

the approximate percentage composition of the atmosphere on four different planets is given in
the table below.

the density of a gas may be defined as the mass of 1 dm3
of the gas measured at s. t.p.

which mixture of gases has the greatest density?

planet major gases /
% by number of molecules
a jupiter h2 89.8, he 10.2
b neptune h2
80.0, he 19.0, ch4 1.0
c saturn h2 96.3, he 3.25, ch4 0.45
d uranus h2 82.5, he 15.2, ch4 2.3

radiative zone

explanation    

radiative zone is the layer of the sun which energy is transferred away from the core by radiation. although, the core is the only part of the sun that produces an appreciable amount of heat through fusion. in fact, 99% of the energy produced by the sun takes place within 24% of the sun's radius.

answercharacteristics of place include things like economic activity, architecture,and culture,all of which are human elements that alter or can be influenced by the environment;