The awnser is: No change in temperatures between seasons
If the waste that society creates is properly managed, it can be stored or expelled in ways that aren't as toxic to the environment.
Chemical energy it is the energy stored in the chemical bonds of molecules
The answer for this question would be the second option. Genomic studies cover the analysis of the changes of genome by scanning the markers across complete sets of DNA. Based on these studies, the change in gene sequences happen that resulted to a change in the way that the brain interprets speech in between 4 and 9 million years ago.