During the Jurassic period, the atmosphere was primarily composed of nitrogen, carbon dioxide, and oxygen, similar to the composition of the modern-day atmosphere.
The chemical makeup of a rock is typically referred to as its mineral composition. Rocks are composed of minerals, which are naturally occurring inorganic compounds with a specific chemical formula and crystal structure. Minerals are the building blocks of rocks and determine their physical properties.
The Earth's atmosphere is mainly composed of nitrogen (about 78) and oxygen (about 21), with trace amounts of other gases like argon, carbon dioxide, and water vapor.
That would be called chemical analysis. If you just want to know what the compound is, that is a qualitative analysis, and if you want to know exactly how much of it you have, that is a quantitative analysis.
Earth's water makeup consists of approximately 97% saltwater, found in oceans and seas, and around 3% freshwater, found in glaciers, ice caps, rivers, lakes, groundwater, and in the atmosphere as water vapor. The majority of Earth's freshwater is stored in ice caps and glaciers.
Mechanical weathering involves physical processes that break down rocks into smaller pieces, such as freeze-thaw cycles or root growth. Chemical weathering involves chemical reactions that alter the composition of rocks, like oxidation or dissolution. Overall, mechanical weathering physically breaks down rocks, while chemical weathering changes their chemical makeup.
The atmosphere of Uranus contain hydrogen, helium, methane, etc.
The ozone in atmosphere is formed by UV. The UV replenishes it and then depletes it.
Gases
Matter with a definite chemical makeup is a pure substance.
Gases
a spectroscope is the instrument used to determine the chemical makeup of a star.
During a physical change, the chemical makeup of matter remains the same. The atoms and molecules that make up the substance do not change their identities, only their arrangement or state. This means that no new substances are formed during a physical change.
a chemical formula
The chemical formula is N34K4Na9
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Zinc is only a metallic chemical element.
Chemical property