9 facts about the atmosphere

#1. Earth Has Had Three Atmospheres.

#2. Oxygen Caused the First Major Extinction

#3. The Sky Should Be Violet

#4. The Atmosphere Extends 6,200 Miles into Space

#5. It Protects Us from Meteors

#6. There are five layers within the atmosphere

#7. The atmosphere surrounds the planet, protecting it by absorbing the ultraviolet radiation from the sun, and regulating the temperature extremes that would otherwise occur between day and night.

#8. The troposphere lies closest to the Earth and is about 11 miles thick

#9. Blood Boils After 60,000 Feet into the atmoshpere

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.

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