<span>The answer is Due to heating of the air by the engine exhaust. Contrails are formed when the hot exhaust of the plane engines is rapidly cooled by the cold air in the upper atmosphere. The water vapor in the engine exhaust, formed in the combustion of fuel, freezes immediately to ice crystals due to the low pressure and -36oC temperatures in the 8000 m altitude in which the planes cruise. </span>
Polar and Ionic compounds
The parents should go to gene counciling to determine who carried the gene that was passed down to the offspring.
Answer:
Soil Microbiome
Explanation:
Soil Microbiome is the word used to describe all the micro-organisms that live inside the soil. This includes bacteria, viruses, amoeba, protozoans and fungus. When assessing the soil microbiome this will also give insight on the type of plants that can function well it this kind of soil as well as describing the type of interactions that are made in this area. A specific soil microbiome is in sense it's own complex eco-system.