<span>B. landforms created from secondary landforms is not necessarily considered as a classification for landforms.
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Answer:
Core is made up of <em>a</em><em>l</em><em>l</em><em>o</em><em>y</em> which is the combination of <em>I</em><em>r</em><em>o</em><em>n</em><em> </em><em>,</em><em> </em><em>N</em><em>i</em><em>c</em><em>k</em><em>e</em><em>l</em><em> </em><em>,</em><em> </em><em>G</em><em>o</em><em>l</em><em>d</em><em> </em><em>,</em><em> </em><em>P</em><em>l</em><em>a</em><em>t</em><em>i</em><em>n</em><em>u</em><em>m</em><em> </em>and <em> </em><em>U</em><em>r</em><em>a</em><em>n</em><em>i</em><em>u</em><em>m</em><em>.</em>
(From Google)
Description The Fermi paradox, named after Italian-American physicist Enrico Fermi, is the apparent contradiction between the lack of evidence for extraterrestrial civilizations and various high estimates for their probability. Michael H. Hart formalized the basic points of the argument in a 1975 paper.
Double headed arrows indicate positive or negative effects of one variable on another
Bigger pieces of sediment are usually deposited first then the little pieces then fill in the spaces between.