<span>An increase in scientific and medical discoveries improved life expectancies.
</span>The best possible explanation for the changes in Europe's population since 1750 is that an increase in scientific and medical discoveries improved life expectancies.In fact, it was around this type that basic hygiene norms were implemented, as well as some mortal diseases were cured or to improve lifbetter treated. Moreover, the discovery of vaccinations helped greatly to improve life expectancies.
there is no statement about the question so i cant answer
Preserving a historic structure makes sound environmental conservation policy and practice. Maintaining the use of a building is the ultimate in recycling since no demolition waste is generated, no processing of materials is required, and no energy consumed.
The answer is b, the destruction of the Berlin wall.