Isabella is explaining to her students that icebergs float on seawater. which property of seawater is isabella explaining?

a. density decreases as seawater cools
b. alkalinity of ice decreases, making it float on seawater
c. ice sinks in freshwater and floats on seawater
d. ice expands upon freezing, lowering its density

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?