What human body system can be fossilized? Explain

Answers

Answer 1
Answer:

The skeletal system of a human body is the only one that can get fossilized. The remains of ancient species are preserved as fossils. Body parts must typically be hard and able to be mineralized without losing their form or degrading in order to become fossilized.

What is fossil ?

Any surviving remnants, impression, or evidence of a once-living creature from a previous geological epoch is referred to as a fossil. Examples include fossilized bones, shells, exoskeletons, animal or microbe impressions in stone, amber-preserved artifacts, hair, petrified wood, oil, coal, and DNA traces.

In river valleys, cliffs, hillsides, and man-made exposures like quarries and road cuts, sedimentary rocks of the appropriate age are exposed, and these are the places where fossils are most frequently found.

The most typical kind of fossilization takes place quickly after an animal dies when it is buried under material, such sand or silt. Sedimentary deposits shield its bones from decaying.

Thus, The remains of ancient species are preserved as fossils.

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Answer 2
Answer: Bones can be fossilized because they don't decay as fast as flesh and the organs.

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In salt water solution,the salt is the blank

Answers

In salt water solution, the salt is the solvent.

How did each of the scientists below contribute to the scientific understanding of the atom?Aristotle, Democritus, Dalton, Thompson, Rutherford, Chadwick, Bohr, and Becquerel and the Curies

Due to the length of the question I am giving 25 points per person

Answers

Aristotle (322 BCE) was a Greek philosopher and scientist born in the Macedonian city of Stagirus.
He had many good ideas about science but his ideas about atomic theory were not and unfortunately they were accepted for over two thousand years. His predecessors, Democritus and Leucippus more correct ideas on atomic theory were forgotten.
He believed that there were only five elements: air which was light, earth which was cool and heavy, water which was wet, fire which was hot, and Aether which he viewed as a divine substance which made up the stars and planets. Aristotle believed that all matter was made up either of one of the elements of water air earth and fire or combinations of these four elements, with the exception of stars and planets which were made of aether. He thought that no matter how many times you split matter, it always goes into a smaller piece of that matter.
Aristotle’s theory of matter has been proven wrong. Many more elements have been discovered. Just Looking at the periodic table proves this. The only thing Aristotle discovered that carries on to the modern atomic theory is the fact that there are elements, which is implied in Aristotle’s theory. A negative point about his theories it that they were accepted until the seventeenth century until physicists (then termed natural philosophers) such Isaac Newton and Gottfried Leibniz began work that would ultimately disprove them.

A water molecule gains enough energy to enter the gas phase is chemical or physical?why?

Answers

Physical because you are not changing the substance. For example water vapor(gas) can be condensed back into water. If you burn a piece of paper the ash cannot be changed back into paper therefore it is chemical. But because you are not changing the substance the answer is physical.

It is a physical change becasue the chemical makeup of the water molecule did not change - the molecule just changed state.

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Explain why each mineral has its own properties, different from every other mineral

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Each mineral has its own properties different from other minerals because minerals are made up of different elements. Different elements which can be found on the periodic table all have unique properties, therefore, gold will have distinct properties in comparison with zinc or aluminium for example because they are made up of different elements :))))
I hope this is helpful
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imagine a drop of water hanging from your finger. how is this similar to the water staying together after the balloon is popped

Answers

I believe it has to do with something in the water like atoms that holds it together, I'm not sure I forgot

Final answer:

The concept of surface tension, enforced by cohesive forces between water molecules, explains why a water droplet hangs from your finger and why water stays together momentarily after a balloon is popped.

Explanation:

The similarity between a drop of water hanging from your finger and the water staying together after a balloon is popped is surface tension. Surface tension is a physical property of liquids which makes them act like they are covered with a stretched elastic sheet. This property is caused by the cohesive forces between liquid molecules.

When a water droplet hangs from your finger, the cohesive forces of the water molecules hold them together in a droplet shape due to surface tension. Similarly, when a water-filled balloon is popped, the water doesn't immediately disperse into a fine spray but rather holds together momentarily. This is also due to cohesive forces and surface tension. Each water molecule is pulled equally in every direction by its neighboring water molecules, resulting in a net force of zero and maintaining its shape momentarily even without the balloon.

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How many molecules of isopently acetate C7H1402 are released (1x10^ -6g) in a typical bee sting

Answers

The  number of molecules of isopently acetate is  4.63  x 10¹⁵  molecules

 calculation

Step 1:  find the moles of isopently acetate( C₇H₁₄O₂)

moles  =  mass÷  molar mass

From periodic table the molar mass of C₇H₁₄O₂

= (12 x7 ) + (1 x14) +(16 x2) =130 g/mol

moles = 1 x10⁻⁶ g÷ 130 g/mol =  7  x 10⁻⁹ moles

step 2 ; use the Avogadro's  law  constant to calculate the number of molecules

That  is according to Avogadro's law  1 mole  = 6.02 x 10²³  molecules

                                                          7 x 10⁻⁹ moles = ?  molecules

by cross multiplication

= { (7 x 10⁻⁹ moles x  6.02 x10²³  molecules) / 1  mole} = 4.63 x 10¹⁵  molecules