What trait is used to classify bacteria as their own domain? (Choose all that apply)
Contains a nucleus
Lack of nucleus
Multi-cellular
2
Singe-celled

Astudent visits the beach during a very hot day she steps on the santa and jumps because it is so hot what type of heat transfer is demonstrated by the sand in this example

When coal has reached it hardest, darkest form, it is called select one: 0 a. sub-bituminous b. lignite c. bituminous d. antrhacite next page

Describe the function of the endomembrane system? what organelles are involved?