The data in the graph are the result of a paramecium being placed in a hypertonic salt solution
paramecium contractile vacuole contractions
contractions per minute
very low
very high
low medium high
salt concentration
what change would most improve the usefulness of the graph?
mark this and return
save and exit
sube

How does the release of trapped gases in magma cause a volcano to erupt? a. they push the magma up the pipe and then are reabsorbed into the magma chamber. b. they cause the magma to change chemically into lava. c. the gases form vents that allow the magma to flow out. d. the gases rush out and carry the magma with them.

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?