European opposition to immigration primarily relates to a. unauthorized immigration
b. increased cultural diversity
c. insufficient natural resources
d. rapid overpopulation and crowding
e. the expansion of crime and unemployment

You have been tasked with sorting the rock samples shown into three categories, with two rocks in each category. what attribute would you use to sort these rocks? which rocks would be in each category? rocks: obsidian, coquina limestone, granite, soapstone,pumice, and gneiss.

The us and canadian governments are doing all of the following to combat environmental problems except a. encouraging the use of public transportation b. enacting clean water policies c. requiring emissions testing d. limiting animal populations in some regions

Soil is made of air water organic material minerals weathered rock