When you visit a cave, it is important not to take any of the formations you see there. why is this? a. they can be sharp, and you might hurt yourself by touching them. b. they are made of rare minerals, and taking them would be stealing. c. they took thousands of years to form, and should be left so others can enjoy them too. d. they are protected under federal law because all caves are part of the national park system.

Which is an accurate description of the physical characteristics of poland? its fertile soil is found only along riverbanks, and its mountainous region in the northwest has few mineral resources. it is mostly flat with fertile soil except in the east and northeast, and the mountainous region in the south has large deposits of coal and copper. it is covered with thick forests, and it has large reserves of coal, petroleum, and natural gas. its landscape is dominated by plateaus, mountains, and high ridges, and it has large deposits of sulfur and copper in the northeast.