What is average residence time?
A) the average time required for the total stock of a material to be cycled through a system
B) the average time that a human population can stay in an area before environmental conditions force them to move
C) the average time required for an open system to convert to a closed system
D) the average time for a system to run out of energy
A
You might also like to view...
Why will the average consumer probably not appreciate full-cost pricing?
A. It will increase the prices of most consumer goods. B. It will encourage producers to make less harmful products C. It will help us to have a more sustainable society D. It will make all products costs the same amount
Estuaries and their productive saltmarsh habitats serve as nurseries for many species. Being a nursery means that
1.this is where most marine animals are born.
2.animals can live there during both high and low tides.
3.larvae and juveniles of marine species find shelter, feed, and grow rapidly there.
4.this is where infant mortality rate is lowest.
Which of the following results from the fact that the osmotic pressure of blood is higher than pressure at the venous capillaries?
A) Nutrients flow from the capillaries into the interstitial fluid. B) Wastes flow from the interstitial fluid into the capillaries. C) both a and b D) neither a nor b
What Latin American country was the world leader in coffee production around 2000?