The answer is (1) !!
it is one direction, from sun to produces to consumer !!
I think it’s all of the above because they can all be found in the air and in water sources
<em>global warming is caused by different gases ,, hence they are affecting the environment by increasing temperature ,, only science can solve such a big problem because during global warming all the reactions that take place are scientific..</em>
The natural selection among peppered moths of Manchester, England can be mainly attributed to to the abruptly increasing levels of Air Pollution in England as a result of thriving Industrial Revolution In the U.K.
Soot from power producing factories, etc resulted in complete eradication of lichens in the flora of the surrounding region.
The frequency of the newly evolved peppered moth increased as the dark colour was beneficial in a polluted environment like in Manchester.
