Siliceous ooze is a siliceous pelagic sediment that covers large areas of the deep ocean floor. Siliceous oozes consist predominantly of the remains of microscopic sea creatures, mostly those of diatoms and radiolarians. Sometimes siliceous oozes also contain silicoflagellates and the spicules of sponges.
Chocolate can affect the minerals in the body. Dark chocolate contains magnesium which helps our body metabolize our food into energy.
<h2>Answer:</h2>
<u>Natural gas is indoor pollutant</u>
<h2>Explanation:</h2>
From the options given above smog and vehicle exhaust are outdoor pollutants. Oxygen is not a pollutant at all. The only option left is natural gas. When we cook food or use heaters we use natural gas so the burning of natural gas pollutes the indoor environment that is why we can say that natural gas is indoor pollutants.
These blotchy areas of hemorrhage are called <span>ecchymoses. It is characterized by discoloration of skin due to blood flowing into the tissues that escaped from its conduits of blood vessels. It does not really pucker your skin. It just produces a red-bluish bruises appearance.</span>