<span>Blood.
Luminol is a chemical that comes in a spray. When it is mixed with another chemical called an oxidizing agent it produces a compound that gives off a blue glow temporarily.
Blood contains an oxidizing agent, so if luminol is sprayed on blood it glows blue for about 30 seconds.</span>
Answer:
Geosphere and Hydrosphere.
Explanation:
Hot springs are heated by geothermal heat—heat from the Earth's interior. In volcanic areas, water may come into contact with very hot rock heated by magma. The geosphere and hydrosphere interact when hot springs form. The geosphere gets a little melted by the hot hydrosphere and then when the springs shoot up in the air they break some rocks.
Coal-fire power plants.
I hope this helps ya!
Answer:C, atoms must balance positive and negative particles.
Explanation: Got it correct on edgenuity.
Answer:
Primary pollutants are emitted from natural or anthropogenic sources directly into the atmosphere, while secondary pollutants result from the chemical reactions or the physical interactions between the primary pollutants themselves or between the primary pollutants and other atmospheric components.