12/20 is the answer I think. I hope this helps you!!
When was BSE first discovered?
BSE first appeared in British cattle in the mid-1980s. There have been numerous cases detected in other countries. A complete list of countries is available from both the U.S. Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA).
DescriptionPopulation density is a measurement of population per unit area, or exceptionally unit volume; it is a quantity of type number density. It is frequently applied to living organisms, most of the time to humans. It is a key geographical term.
~Hello there!
Your question: Which stores groundwater?
Your answer: Groundwater is stored by the aquifer.
Any queries ^?
Happy Studying!
Answer:
where the is the picture?