Where do plants get most of the elements that make up their mass? ...

[Jramos095]

Where do plants get most of the elements that make up their mass?
 
  A) air and water
  B) roots
  C) soil
  D) sunlight
  E) none of the above

Question 2

An inventor claims to have developed a new perfume that lasts a long time because it doesn't evaporate. Comment on this claim.
 
  A) A perfume that does not evaporate could be toxic since the molecules never leave the skin.
  B) In order to smell something, the molecules must evaporate and reach your nose. If the new perfume doesn't evaporate, it will not have an odor.
  C) This would be impossible to make because the perfume would have to be pressurized in order to not evaporate.
  D) This product is sure to sweep the market making many happy customers.

[kardosa007]

Answer to Question 1

A

Answer to Question 2

B

[Jramos095]

Thanks

[kardosa007]

Welcome