Can earthquakes be predicted? why?

Suggest one advantage that electrophoresis has over chromatography. A. Electrophoresis separates molecules based on differences in chemical properties, thereby making it possible to separate molecules that undergo similar chemical reactions. B.

When was the term acid rain first used? 1960 1753 1980 1852

Which object allows human to access groundwater

An area within the nucleus that appears through the microscope due to the densely stained chromatin fibers where ribosomal rna is being produced in high quantities.

Which of the following does not have an impact on Earth's climate? a. the movement of the ocean b. greenhouse gases c. burning fossil fuels d. none of the above

What is the major difference between prokaryotes and eukaryotes? A. prokaryotes have no nucleus B. All prokaryotes cause disease C. Eukaryotes contain more mintochondria D. Nucleic acids are found only in eukaryotes

Cross . Where life most likely originated.

color blindness is a recessive trait. the gene for the color blindness is on the X chromosome. the family tree below shows the trait of color blindness. the only unknown is the father in the first generation. what must be true about the father?

Male turkeys are birds that naturally strut and display their large tail feathers, which attracts female turkeys. This display is an example of (1) a behavioral adaptation (2) selective breeding (3) asexual reproduction (4) a learned behavior

What happens if an animal cell doesnt have enough water?