When your body temperature is too high your blood vessels will dilate then your sweat glands secrete fluid and the heat is lost from the body.. there for without sweat you would “heat to death”
Nucleic acids. They contain a phosphate base and a nitrogen group.
The amount of available resources in the ecosystem must change at a predictable rate.
Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
EARTH'S PROTECTIVE SHIELD. Earth is surrounded by invisible gases that form a thin protective blanket that we call the atmosphere. It contains the oxygen that we breath as well as other important gases such as nitrogen, carbon dioxide, water vapor, and ozone.