Answer:
A oxygen
Explanation:
For plant growth nitrogen, potassium and phosphorous are the three main elements needed. oxygen is expelled from plants. Plants doesn't need oxygen
Hello,
Question- Igneous rock can _____ to form metamorphic rock.
A. melt
B. harden
C. heat up
D. weather
Answer- Your answer is C. Heat up
Why- Any rock can become any rock igneous metamorphic or even condemnatory just by heating up but when it melts it becomes lava and the rock cycle starts all over again.
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Oxygen
Explanation:
Joseph Priestly's contribution to chemistry was the discovery of oxygen gas.
He was one of the notable chemist of his day. He lived from 1733 - 1804 and in 1774, discovered oxygen.
- He was one of the foremost scientist to discover the gaseous exchange process that occurs during photosynthesis.
- His works showed that plants absorbs carbon dioxide and releases oxygen gas into the atmosphere.
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Answer:
true
Explanation:
PV=nRT
The ideal gas law states that PV = NkT, where P is the absolute pressure of a gas, V is the volume it occupies, N is the number of atoms and molecules in the gas, and T is its absolute temperature. The constant R is called the Boltzmann constant
Answer:
Orbital, in chemistry and physics, a mathematical expression, called a wave function, that describes properties characteristic of no more than two electrons in the vicinity of an atomic nucleus or of a system of nuclei as in a molecule. ... A 1s electron occupies the energy level nearest the nucleus.
Explanation:
