Sea floor spreading can alter the sea level. whether sea floor spreading causes a rise or fall in sea level is related to the spreading rate. a rise in sea level would be caused by a?

a)
an older sea floor

b)
a denser sea floor

c)
a slow spreading sea floor

d)
rapidly spreading sea floor

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

Are the earth's ocean floor and continents the same age geologically? why or why not?

Ascientific idea becomes valid when it is what?