Which of the following is a positive use of technology to change the environment? a. The use of biological warfare on a monthly group of country.
b. The use of satellite imagery for GPS navigation.
c. The use of bigger saws to clear the rainforest for development.
d. The use of irrigation to bring water to outback.​

People keep spending additional units of a particular resource on a want until their marginal benefit is  decreasing withgreater thanless thannot affected by  their marginal cost.

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.

Sink holes may eventually for to join a. wide valleys b. zone of aeration c. dripstones d. aquifer