Harry Hess used oceanographic research data to propose the theory of ____________________. What will be an ideal response?
seafloor spreading
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A neutron makes a better nuclear bullet than a proton or an electron because it
A. has the greatest mass. B. can be accelerated by electromagnetic fields. C. carries no electrical charge. D. all of the above
The feature in the photograph below was formed by
A) plucking.
B) abrasion.
C) plucking on the left and abrasion on the right.
D) abrasion on the left and plucking on the right.
An air mass is a large region of air, typically hundreds or thousands of square kilometers, with relatively uniform characteristics of temperature and humidity
Indicate whether the statement is true or false.
A barrier island is a static feature that has been unchanged for thousands to hundreds of thousands of years
Indicate whether the statement is true or false