Biochemical sedimentary rocks are sedimentary rocks created by the buildup of organic carbon (dead plant debris) in low-oxygen conditions (such as swamps).
When organisms utilize elements dissolved in air or water to develop their tissue, biochemical sedimentary rocks form. The calcareous skeletons of creatures such as corals, mollusks, and foraminifera are used to make most varieties of limestone.
Shells and bodies of submerged creatures are used to build biochemical sedimentary rocks. Chemical components from the water are extracted by living creatures and used to form shells and other body parts. Aragonite, a mineral related to and usually replaced by calcite, and silica are among the constituents.
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Most of the money in Afghanistan is not suprisingly used to purchase weapons, amoury and military confinements. This obviously doesn't come cheap. So in thought that war would get them rich, making civilians happier with life in Afghan, everything went wrong and they had a downfall. There is not a single battle going on meaning weapons cannot be used. Meaning it was a waste of money. They then sold few amounts of guns, armoury and soldiers to the U.S and got not much money. This is why they are what they are today.
Always east to west. It changes direction during an El Niño event.
A high-pressure system next to a low-pressure system will cause wind direction to flow clockwise and outward toward a low-pressure system. The low-pressure system is what causes air direction to flow counterclockwise and inward.
Answer: C
Explanation: The land of western Russia lies closer to European countries such as Ukraine, Belarus, Latvia, Finland. The geographic area west of the Ural Mountains is considered European Russia.
