Ascientist discoveres a cell that has chloroplasm, dna and a cell membrane. which statement best describes how the cell could be classified
a. the cell is prokaryotic because it has dna.
b. the cell is prokaryotic because it has cytoplasm.
c. the cell is eukaryotic because it has a cell membrane
d. the cell is eukaryotic because it has chloroplasts.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water