About two thirds of the world's human population survives primarily by eating one or more of the three grain crops. What are these three grains?
A. rice, wheat, and corn
B. oats, rice, and wheat
C. corn, wheat, and oats
D. corn, rice, and maize
E. oats, maize, and rice
Answer: A
You might also like to view...
Briefly explain the advantages and disadvantages of phytoremediation as a method of removing or detoxifying hazardous wastes
What will be an ideal response
Roughly ___% of US citizens live in coastal counties and are thus vulnerable to rises in sea level
a. 10 b. 50 c. 83 d. 95
Floods only occur when there is excessive short-term precipitation or a dam failure.
Answer the following statement true (T) or false (F)
In a desert environment, in which area would surface water infiltrate into the local groundwater system most effectively?
A) Playa lakes with thick mud bottoms B) Streams flowing across an alluvial fan C) Streams flowing across bare bedrock D) Steep-walled mountain streams