How do the animals in an ecosystem mainly acquire the sun’s
energy?
a
they absorb energy through their skins.
b
they obtain energy when they drink water.
c
they obtain energy trapped and stored by plants.
d
they can convert the sun’s energy into chemical energy.

nacl is added to the aqueous of what? ? in order to get a proper answer you have to specify the exact composition of the aqueous solution.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.