Which of the following are types of reference maps? (select all that apply) Mercator
Dot distribution
Peters
Cartogram
Political
Choropleth
Graduated Symbol
Robinson

I'm pretty sure it's c. extremely gradual but not 100% sure though.

Mexico has a host of environmental problems, including significant chemicalpollution  from factory discharges and waste dumping, but the main threat to itsbiodiversity  probably stems from  deforestation  and other natural habitat losses. forest habitat is lost for a number of reasons

The correct answer is a)  a resource with a limited supply; it will run out.

Answerincreases;