Answer: exosphere
Explanation: Exosphere. This is the outermost layer of the atmosphere. It extends from the top of the thermosphere to 6,200 miles (10,000 km ) above the earth. In this layer, atoms and molecules escape into space and satellites orbit the earth.
Organisms get their energy from different sources depending on where they land in the food chain. This section on How Living Things Get Energy is going to talk about the two big ways that living things get their energy, Cellular Respiration and Photosynthesis.
<span>This bacterium would be classified as nitrogen-fixing. Nitrogen-fixing bacteria live in soil, and in association with legumes like clover. These bacteria convert nitrogen in the atmosphere to an inorganic form plants can use to grow.</span>
How are DNA fragments separated using gel electrophoresis? ... A solution ofDNA molecules is placed in a gel. Because each DNA molecule is negatively charged, it can be pulled through the gel by an electric field. Small DNAmolecules move more quickly through the gel than larger DNAmolecules.Nov 20, 2007