PLEASE HELP! THIS IS DUE IN 10 MINUTES! (15 POINTS)
What did Democritus, Dalton Thompson, Rutherford and Bohr have in common?
A. They each identified new elements
B. They each identified new isotopes of atoms
C. They each contributed to the development of the atomic theory
D. They each contributed experiments in which particles collided.

Answer:

data table not found

Explanation:give me the data table

Answer:

can you give the template?

Explanation:

can you give the template?

Answer:

the answer is desert, hope this helped

Explanation:

Answer:

True

Explanation:

Answer:

1. B

2. D

3. B

4. D

Explanation:

Hope that helps

Answer:

Answer: Think of a thunderstorm, sometimes it depends on the magnitude of a push or pull to move an object even without touching it. When a object is sitting still, it means the normal force and the gravitational force are balanced, when one force becomes greater, it takes over.

Explanation:

I'm new to brainly but I hope I could help!

Answer:no

Explanation:

because there are different bone structures to different animals

ex.mammals aren't invertabres

Answer:

A. no

Explanation:

The other person is right.

Answer:

Mechanical energy

Explanation:

Therefore, the mass of Betelgeuse is about 17.634 kg/ 9.5 times the mass of Vega.

Vega is a main-sequence star located in the constellation Lyra. Betelgeuse is a red supergiant star located in the constellation Orion. The mass of Betelgeuse is observed to be about 20 times the mass of the Sun, while the mass of Vega is estimated to be about 2.1 times the mass of the Sun. Therefore, the mass of Betelgeuse is theoretically estimated to be around 9.5 times the mass of Vega.

Experimentally,

The mass of Betelgeuse is 2.188 x10^31 kg

The mass of Vega is 4.246 x 10^30 kg

Hence, the mass of Betelgeuse is about 17.634 kg/ 9.5 times the mass of Vega.

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Answer:Trade winds blowing in a curved manner

Explanation:Because i like the answer

To prepare 250 mL of a D10/NS solution using D10W and a vial of NaCl 4 mEq/mL, you would need 9.6 mL of NaCl. Normal saline (NS) contains 154 mEq/L of sodium chloride (NaCl). To prepare 250 mL of NS, you would need 250 mL * (154 mEq/L) = 38500 mEq of NaCl. Since the vial of NaCl contains 4 mEq/mL, you would need 38500 mEq / (4 mEq/mL) = 9625 mL = 9.6 mL of NaCl. So the correct answer is b. 9.6ml.

Answer:

1. It is confirmation bias because the company conducted a research experiment on their on products. They could have implemented or changed variables that are part of the experiment in order to get the results they would want. It is best to have a third party that don’t work for the company in order to conduct the experiment without biases

2. For this one it could be both yes and no. It could be that John really enjoyed Sports Drink A, so he purposely wrote down the data for the other drink lower. Here he was bias towards what he wants to have a better outcome. Maybe the sport drink A is from a company he likes many of their products. In order to not have confirmation bias, john should get a friend to give him the drinks without the labels, and the drinks should be the same color. That way he only tests the taste and not the way it looks. Both packaging and the color of the drink.

Answer:

A

Explanation:

Food is digested in the stomach for several hours. During this time, a stomach enzyme called pepsin breaks down most of the protein in the food. The pancreas and gland cells of the small intestine secrete digestive enzymes that chemically break down complex food molecules into simpler ones.

Answer:

A

Explanation:

Answer:

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Answer: nucleus  

Explanation:

Answer:

Bonds can be placed on a scale that ranges from 100% ionic to 100% covalent.

CO2: CO2 is a covalent compound, with each carbon atom sharing electrons with two oxygen atoms. Therefore, it can be placed closer to the 100% covalent end of the scale.

N2: N2 is a covalent compound, with each nitrogen atom sharing electrons with another nitrogen atom. Therefore, it can be placed closer to the 100% covalent end of the scale.

NaF: NaF is an ionic compound, consisting of a sodium cation (Na+) and a fluoride anion (F-). Therefore, it can be placed closer to the 100% ionic end of the scale.

H2O: H2O is a polar covalent compound, with the hydrogen atoms sharing electrons with the oxygen atom, but the electrons are not shared equally, therefore the oxygen atom has a partial negative charge and hydrogen atoms have a partial positive charge. Therefore, it can be placed closer to the middle of the scale, between ionic and covalent.

Overall, the scale can be represented as follows:

100% Ionic <-------> NaF <-------> H2O <-------> CO2 <-------> N2 <-------> 100% Covalent

Answer:

oxygen - O2

chlorine- Cl2

neon- Ne

calcium- Ca

iodine- I

hydrogen- H2

Ne₂(g) - Neon gas (Ne)
I(s) - Iodine solid (I₂)
Ch(g) - Chlorine gas (Cl₂)
Ca(s) - Calcium solid (Ca)
O(g) - Oxygen gas (O₂)
H2(g) - Hydrogen gas (H₂)
Cl(s) - Chlorine solid (Cl₂)
O2(g) - Oxygen gas (O₂)

1. Ne₂(g) - This label represents the chemical formula for neon gas, which is Ne. Neon is a noble gas that is commonly used in neon signs due to its bright orange-red glow when an electric current is passed through it.

2. I(s) - This label represents the element iodine in its solid state. Iodine is a nonmetallic element that exists as a purple-black solid at room temperature.

3. Ch(g) - This label represents a gas called chlorine, which is chemically represented as Cl₂. Chlorine is a halogen gas that is used as a disinfectant and in the production of various chemicals.

4. Ca(s) - This label represents the element calcium in its solid state. Calcium is an alkaline earth metal that is commonly found in rocks, shells, and bones. It is essential for the proper functioning of our bodies and is also used in construction materials.

5. O(g) - This label represents oxygen gas, which is chemically represented as O₂. Oxygen is a colorless and odorless gas that is essential for respiration and the combustion of fuels.

6. H2(g) - This label represents hydrogen gas, which is chemically represented as H₂. Hydrogen is the lightest and most abundant element in the universe. It is used in various industries, such as the production of ammonia and petroleum refining.

8. Cl(s) - This label represents the element chlorine in its solid state. As mentioned earlier, chlorine is a halogen gas, so the correct label for chlorine in its solid state should be Cl₂(s).

9. O2(g) - This label represents oxygen gas, which is chemically represented as O₂. As mentioned earlier, oxygen is a colorless and odorless gas that is essential for respiration and the combustion of fuels.

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#SPJ4

Answer:

Air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.

Option B (Signal strength at the computer). This variable sounds like something that would be measured - and is affected by the independent variables, this variable is known as the dependent variable.

In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.

Maybe they might use that math thing for Science.

I believe number one has 2 valance electrons

number 2 has 1 valance electron

and number 3 has 8 valance electrons

valance electrons are the electrons on the outermost ring

Answer:

i also wish i was able to help

Explanation:

but i reallly need sum points

Answer:

"There is no God but Allah, and Muhammad is his messenger." This is the basic statement of the Islamic faith: anyone who cannot recite this wholeheartedly is not a Muslim. When a Muslim recites this they proclaim: That Allah is the only God, and that Muhammad is his prophet.

I hope u find the right path

Explanation:

No, a copper block cannot be separated.

A copper block cannot be separated because it is made up of only copper atoms which are only one type of molecule. It is a tightly bound structure of copper atoms.

A pure substance means a substance that is free from any kind of mixture and contains only one kind of particle are pure substances. A mixture is composed of one or more pure substances in different compositions. So a copper block is a pure substance and not a mixture.

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Winds are always named from the direction it blows from

Uneven heating of Earth's surface,in turn,causes differences in air pressure at various locations. Heated air rises,creating an area of low pressure beneath. Cooler air descends, creating an area of high pressure

Answer:

39

Explanation:

Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.

Because it is easier for metals to shed their valence electrons and form cations for a stable configuration, they have comparatively few chances of acquiring electrons.

The metals usually complete their octet in each reaction. The outermost electron shell often contains more electrons in metals. Metal atoms lose electrons when they interact with other non-metals because the energy of an electron in its outermost shell is very weak.

Metals often have low ionization energy because their electrons are positive in nature. Metals lose their electrons and trade them with non-metals to achieve a stable configuration.

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Answer:

metals typically have relatively low ionization energies

Explanation: