Y Flashcards
0
Q
Yield
A
The amount produced.
In agriculture it is usually a measure of the tonnes of useable produce per unit area.
1
Q
Yardang
A
A ridge of rock in an arid area which is aligned to the prevailing wind direction.
Small examples may only be a metre high but larger ones can be dozens of metres above the level of the trenches between them.
2
Q
Younger-Dryas
A
A cold period of about 1500 years that occurred at about 10,000 to 8,500 years ago.
Thought to have been brought on by a sudden release of cold water into the oceans from behind the North American ice sheets which were breaking up at about that time.