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2021-05-14

What is the smallest particle of an element that retains all the properties of the element?

What is the smallest particle of an element that retains all the properties of the element?

An atom is the smallest unit of matter that retains all of the chemical properties of an element.

What is the smallest particle of an element that retains the property of that element the building block of all matter?

Atoms

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What is the smallest piece of matter that still has the properties of an element?

atom

What is the smallest piece of matter?

atoms

What is the most common element in the universe?

Hydrogen

What element makes up 80 percent of the air?

Nitrogen

Which element is very poisonous?

Plutonium

What contains 90% of the air?

troposphere

Can the earth run out of oxygen?

A pair of researchers have found evidence that Earth will lose its oxygen-rich atmosphere in approximately 1 billion years. “The lifespan of oxygen-based biosignatures in Earth’s atmosphere remains uncertain, particularly for the distant future,” it said.

Why do we not run out of oxygen?

Answer. because the plants will always produce oxygen which we again use to give carbon dioxide and the plants uses that carbon dioxide and then they release oxygen. there are so much oxygen in our air which we never make it completely used.

What would happen if we ran out of oxygen?

Everyone would get sunburnt as oxygen makes up the ozone and normally helps to block out UV light. Water is one third oxygen, without it the Hydrogen becomes a free gas and expands, thereby destroying all living cells and evaporating the oceans. The earth below us would disappear and we would free fall.

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Where does Earth get its oxygen?

ocean

How did oxygen appear on Earth?

Oxygen in the form of the oxygen molecule (O2), produced by plants and vital for animals, is abundant in Earth’s atmosphere and oceans. But at some point, Earth underwent what scientists call the Great Oxidation Event or GOE for short, as ocean microbes evolved to produce O2 via photosynthesis.

Which tree gives 24 hour oxygen?

Peepal tree

Is it illegal to carve into a tree?

Carving into trees is ILLEGAL in all national forests! This act of vandalism is unsightly to visitors, and nothing can remove the carvings once they’ve been created. Besides being unsightly, carving into tree bark can injure, and even kill, a tree. The bark of a tree is like a human’s skin.

Can you carve into a live tree?

When carving a live tree, the blade is likely to cut through the outer bark and cut into the inner bark. Cutting into the bark can also damage the xylem which transports water and nutrients from the roots up to the rest of the tree.