What is the difference between things that are related by ...

[lilldybug07]

What is the difference between things that are related by cause-and-effect versus things related by correlations? Give examples of things related in each way.

Question 2

Why does a diet high in iron decrease the absorption of copper?
 a. Copper and iron bind together to form insoluble complexes.
  b. Copper depends upon magnesium for transport and iron binds magnesium.
  c. Copper is oxidized to its less absorbable cupric form by iron.
  d. Copper and iron compete for the same transport proteins.

[Dunkey]

Answer to Question 1

Cause and effect describes a situation where one factor causes another factor. Examples: Consuming excess energy causes weight gain; dropping a glass on a tile floor causes it to break; overcooking a food causes it to burn.
When two factors are correlated, a change in one is related to, but does not cause, a change in the other. Examples: The time spent watching TV is correlated with obesity in children. Driving at excess speeds is correlated with the likelihood of having an accident. The time that raw meat is left at room temperature is associated with the likelihood of it spoiling.

Answer to Question 2

d

[lilldybug07]

Gracias!

[helenmarkerine]

Thanks for the timely response, appreciate it