Which of these correctly lists the stages of development of the inner planets
a) inner planets ® protoplanets ® heavier elements ® planetesimals
b) protoplanets ® planetesimals ® inner planets ® heavier elements
c) heavier elements ® planetesimals ® protoplanets ® inner planets
d) planetesimals ® heavier elements ® inner planets ® protoplanets

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.

What is the process that powers plate tectonics

True or false. epeirogenic changes deform the crust.