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I'll give brainliest if you can solve and explain how you got it.

Answer:

C.they each contributed to the development of the atomic theory

Explanation:

Answer: The human body contains trillions of microorganisms — dwarfing human cells by 10 to 1. Due to their little size, nonetheless, microorganisms make up just around 1 to 3 percent of the weight's (in a 200-pound grown-up, that is 2 to 6 pounds of microscopic organisms), yet assume a crucial function in human wellbeing.  In 2016, a survey of over forty years of examination into the human microbiome found that there is zero logical proof to back this frequently refered to tidbit up. Rather, the proportion appears to be about 1.3-to-1, with the normal human playing host to around 100 trillion microorganisms, plus or minus. Rather, the proportion seems to be about 1.3-to-1, with the normal human playing host to around 100 trillion organisms, plus or minus.

Explanation:

You can mix this up and paraphrase this into ur own words.

The microorganisms that are present and live in the human body are 1 to 10 micrometers.

Microorganisms are tiny living organisms that can be only seen by microscopes. These organisms are found everywhere on earth. They are free-living and parasitic. There are good and bad microorganisms.

Some are useful to the earth and the living creature, but some are harmful to the health of other living creatures. They are responsible for many diseases in plants, animals, and other organisms.

There are many bacteria present inside the body. They are present in the digestive system, and our mouth. They help in the digestion and breakdown of many food materials and macromolecules.

Thus, the size of microorganisms that are present and live in the human body is 1 to 10 micrometers.

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The litmus paper shows red colour for acidic substances and blue colour for basic substances. Thus a red litmus paper will turn blue if it is dipped in an alkaline solution. Soap is  alkaline and given blue color to litmus.

pH of a substance is its measure of concentration of H+ ions in it. It is mathematically negative logarithm of H+ ion concentration. Thus, pH measures how much acidic or basic the solution is.

A pH of of 7 is neutral having no acidity or basicity. A pH less than 7 is acidic and pH greater than 7 is basic in nature. Vinegar is acetic acid and it shows less pH . Lemon juice also acidic since it contain citric acid whereas, soap is basic.

A litmus paper is used to identify whether a substance is acidic or basic. It shows red color for acidic solutions and blue for basic solutions. If the red litmus paper is dipped in acidic one, it shows no colour change if it is dipped in basic solution then it turns to blue.

Soap is highly alkaline and it changes red litmus paper to blue.

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Answer:

these are very difficult dear

Explanation:

Answer:

Environmental and economic benefits of using renewable energy include: Generating energy that produces no greenhouse gas emissions from fossil fuels and reduces some types of air pollution. Diversifying energy supply and reducing dependence on imported fuels.

Explanation:

Answer:

b

Explanation:

Answer:

A

Explanation:

When nitrogen fills its valence shell, three electrons are gained, creating N-3. Thus, the correct option for this question is A.

A valence shell may be defined as the outermost shell of an atom that significantly contains valence electrons. This shell is actively involved in the pairing and sharing of elements from one another.

The atomic number of nitrogen element is 7, and its electronic configuration is [tex]1s^2, 2s^2, 2p^3[/tex]. From this electronic configuration, we come to know that the number of electrons present in the outermost shell or valence shell of nitrogen is 5.

In order to fulfill its valence shell and obtain stability, it requires three electrons to fulfill its octet. These three electrons are gained, and thus creating N−3.

Therefore, three electrons are gained, creating N−3 is the process that nitrogen performs after filling its valence shell. Thus, the correct option for this question is A.

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Answer:

C

Explanation:

An atom of gold with 79 protons, 79 Electrons and 118 neutrons would have a mass number of  197 gold. Therefore, option C is correct.

The total number of protons and neutrons in an atomic nucleus is known as the mass number, often known as the atomic mass number or nucleon number. In atomic mass units, it is roughly equivalent to the atom's atomic mass.

Because it indicates the mass of the entire number of protons and neutrons in an element, the mass number of an element is so named. The atomic number and atomic mass of an element are typically listed in periodic tables along with the chemical symbols for each element.

The third element in the periodic table's eleventh column is gold. It is under the transition metal category. The most common isotope of gold has 118 neutrons and 79 protons together with 79 electrons.

Thus, option C is correct.

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Answer:

B

Explanation:

Answer:

There are 24 atoms in one molecule of C6 H12 06. This chemical compound has 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen.

Answer:

1 molecule of glucose contains 6 atoms of C, 12 atoms of H, and 6 atoms of O • 1 mole of glucose contains 6 moles of C atoms, 12 moles of H atoms, and 6 moles of O atoms.

Explanation:

Explanation:

40 m/s2

Formula for acceleration will be:

F = m*a

Force = mass*acceleration

•

•

F = m*a

= 40 * 180 - 140 = a

1600 = a

1600/40 = a

40 = a = 40 m/s2

Answer:

You can remove paint with everything but cough medicine.

Explanation:

Answer:

D

Explanation:

I THINK. HOPE THIS HELPS

I believe it is the first one, please correct me if I'm wrong.

Answer:

A

Explanation:

Answer:

I believe the answer would be A, remain 5g because heating the balloon would increase the speed of the gas molecules, but not necessarily change the amount

Answer:

decrease

Explanation:

The ballon will most likely pop causing it to decrease in mass.

Answer:

1.111 or since you want me to round 1.1 if not right let me know please.

Explanation:

Answer:

1.1

Explanation:

all you have to do is divide the mass by density to get the volume yurr

Answer:

Putting salt on the ground to melt ice or snow I mean.

Explanation:

Answer:due to the heat of it the molicules expand and therefor touch also on rentry due to heat

Explanation:

The characteristics of the thermal transfer process allow to find the results for the questions regarding the temperature in the two cases are:

Thermal conduction processes are mechanical by which thermal energy (temperature) is transported, they ask to be of three types:

At the initial moment the two layers are not touching, therefore the only possible process is radiation, therefore the outermost body may be at a very high temperature and the inner body may be cold since radiation heating is the less efficient.

When the materials touch, the energy transfer process is thermal conduction, therefore the interior temperature will increase significantly. The thermal conduction process is one of the fastest, therefore the temperature rises rapidly.

In conclusion, using the characteristics of the thermal transfer process, we can find the results for the questions regarding temperature in the two cases are:

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Answer

Explanation:

Protons would be the first answer since protons have a + charge. Neutrons would be second sicne neutrons have a neutral or 0 charge. Electrons would be the last since electrons have a - charge.

Answer:

Explanation:

mhmmmmmmm yeah i do not know sorry thx for the points :P

Answer:

Compound: any substance composed of identical molecules consisting of atoms of two or more chemical elements.

Element: is a pure substance which cannot be broken down by chemical means.

Mixture: is a substance which consist of two or more elements or compounds not chemically combined together.

Answer:

Explanation:

Drafting the Declaration of Independence in 1776 became the defining event in Thomas Jefferson's life. Despite Jefferson's desire to return to Virginia to help write that state's constitution, the Continental Congress appointed him to the five-person committee for drafting a declaration of independence. That committee subsequently assigned him the task of producing a draft document for its consideration. Drawing on documents, such as the Virginia Declaration of Rights, state and local calls for independence, and his own draft of a Virginia constitution, Jefferson wrote a stunning statement of the colonists' right to rebel against the British government and establish their own based on the premise that all men are created equal and have the inalienable rights of life, liberty, and the pursuit of happiness.

Through the many revisions made by Jefferson, the committee, and then by Congress, Jefferson retained his prominent role in writing the defining document of the American Revolution and, indeed, of the United States. Jefferson was critical of changes to the document, particularly the removal of a long paragraph that attributed responsibility of the slave trade to British King George III. Jefferson was justly proud of his role in writing the Declaration of Independence and skillfully defended his authorship of this hallowed document.

Answer:

5

Explanation:

Answer: A

Explanation: Mass and volume is the amount, amount doesn’t make the phase of a matter change.

Answer:

biosphere

Explanation:

simple simple

Answer:

A or C but I think it's A

Explanation:

Answer:

For example, the particles in solid steel are closer together than the particles in molten—or melted—steel. However, water is an important exception. The molecules that make up ice actually have more space between them than the molecules in liquid water do.

Explanation:

The statement is "energy of atom."

An atom is smallest unit of ordinary matter that forms a chemical element.

The atom in solid steel are moving more slowly than the atom in liquid steel.

The particles in solid steel are closer together than the particles in molten steel.

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