In my opinion, the correct answer among the choices listed above is option D. Hydrogenous sediment is made up of minerals that crystallize directly from ocean waters. They are produced when minerals reacts chemically with seawater.
Answer:
A regular decagon has 10 reflectional symmetries.
A regular decagon is a two-dimensional shape that has 10 sides of equal length
I guess the answer to the blank will be:
During the second Red Scare public and government suspicious of Communism led to the blacklisting of people in various industries.
Volcanoes and Mid-Ocean Ridges are kinds of geologic features form at subduction zones.
