Choose all the statements that correctly describes the challenges faced in building canals.
a. geographical and topographical challenges make canal building difficult.
b. workers sometimes die building canals, but not often.
c. weather-related problems, such as long periods of rain, can slow down the work.
d. canals are time-consuming and expensive to build.

Which statements describe cultural influences? florida is bordered by water on three sides. french is spoken in parts of louisiana. forests are cleared to provide space for cattle grazing. male children are encouraged to attend the university. the longest river on the continent is located here. birthdays are celebrated on january 1st. per capita income of northern buckland is more than $100,000.

The first mathematical theory of tides was introduced by: galileo kepler newton cousteau

What is the best way to describes europe population