When doing experiments, researchers change a condition called a(n) so that they can see the results of that change.
.1 independent variable
.2hypothesis
.3 experimental group
.4 dependent variable

What are the seven economic and social goals?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Which of these is a provisioning service people get from the ocean