Explain why carbon-14 is found in the tissues of all thing things.

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds

How does the author's purpose in this passage differ from an author writing about her personal struggle living with asthma?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.