A
The erosion of soil in Australia and Oceania is a problem that has resulted from
nuclear testing
B. climate change
deforestation
D exotic species
Please select the best answer from the choices provided

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .

This phrase from the declaration of independence and its primary author thomas jefferson can be used to justify which statement? a) jefferson thought this document could be used in his defense were he put on trial for treason. b) jefferson knew that the colonists' actions would have an international impact. c) jefferson believed that a bill of rights was necessary in the new government. d) jefferson was trying to show the king that the colonists were intellectuals.

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?