Question 1: Chernozem means A. rich soil
B. black forest
C. river complex
D. mountain range

Question 2: Which river serves as the border between Russia and China?

A. Volga
B. Ob
C. Danube
D. Amur

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)