It is difficult to achieve global sustainability because A. it is an unrealistic goal.
B. governments do not always agree on how to solve environmental problems.
C. international agreements are not binding.
D. globalization is increasing.

the answer is c on e2020, bud.

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: