What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?
O 0.023 m/s
O 43.5 m/s
O 89 m/s
O 174 m/s
HURY PLEASE

The statement that describes an attribute of an artesian well is B. Uses natural pressure.

Artesian wells rely on natural pressure by accessing an underground water source that is enclosed between layers of impermeable rock or clay. The water within the aquifer is naturally pressurized due to the weight of the overlying rock or the slope of the land.

When a well is drilled into the aquifer, this existing pressure allows the water to rise to the surface without the need for a mechanical pump.

This utilization of natural pressure distinguishes artesian wells from other types of wells, as they do not require artificial pumping mechanisms to extract water.

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Answer: The correct fill-in-the-blank answers are:

1. through binary fission (already filled in)

2. be resistant to penicillin

3. through asexual reproduction.

4. cell replicates before

5. a simpler process

Explanation:

The correct fill-in-the-blank answers are:

1. Bacteria reproduce through binary fission (already filled in)

2. A parent bacterial cell is able to survive in the presence of antibiotic penicillin. Subsequent generations from this parent will be resistant to penicillin

3. Something that potatoes and bacteria have in common is that they both reproduce through asexual reproduction.

4. In asexual reproduction DNA from the parent cell replicates before it produces daughter cells.

5. Asexual reproduction is a simpler process than sexual reproduction.

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Answer:

Theoretical Yield = 0.4882 grams

Explanation:

Potassium Chromate = K2CrO4 Molar mass: 194.1896 g/mol

Silver Nitrate = AgNO3 Molar mass: 169.87 g/mol

Silver(I) Chromate = Ag2CrO4 Molar mass: 331.73 g/mol

Potassium Nitrate = KNO3  Molar mass: 101.1032 g/mol

K2CrO4 + 2AgNO3 = Ag2CrO4 + 2KNO3

Potassium Chromate + Silver Nitrate = Silver(I) Chromate + Potassium Nitrate

Ratio 1:2 = 1:2

0.5g AgNO3

AgNO3 Molar mass: 169.87 g/mol

2AgNO3 = 339.74grams

0.5/339.74 = 0.0014717

Ag2CrO4 Molar mass: 331.73 g/mol

0.4882 grams

Theoretical Yield = 0.4882 grams

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.

Answer:

2 to 4 days

Explanation:

wet roll of paper towels should get moldy in a couple of days depending on the temperature of the room even in a bag so i suggest you just throw it away. But if you do need it then put it in the fridge because mold hates the cold weather, it thrives in warm weather. If you do that then you should have enough time to use it.

Hope this helps!

Answer:

Hummingbirds have a very high metabolism and must eat all day long just to survive. They consume about half their body weight in bugs and nectar, feeding every 10-15 minutes and visiting 1,000-2,000 flowers throughout the day.

Answer: hydrogen-carbonate.

Explanation:Because when carbon dioxide is passed in excess it leads to a formation of hydrogen-carbonate.

I hope everyone finds this helpful

Answer:

b

Explanation:

its like that la i know cuz i smart

Answer:

A Pink roses are formed when red roses are mated with white roses= incomplete dominance

Genes with alleles IA, IB and I are responsible for expression of A B and O blood types= Multiple alleles

A red flower and a white flower produce

an offspring with equal proportions of red

and white coloration= Codominace

Explanation:

Took quiz and got it right

A pink roses are formed when red roses are mated with white roses shows  incomplete dominance.

Incomplete dominance is defined as the dominance occurs from a cross in which each parental contribution is genetically distinct and produces children with an intermediate phenotype.

Semi-dominance and partial dominance are other terms for incomplete dominance.

Genes with the alleles IA, IB, and I are responsible for expression of A, B, and O blood types shows multiple alleles.

A red flower and a white flower produce an offspring with equal proportions of red and white coloration shows codominance.

Thus, a  pink roses are formed when red roses are mated with white roses shows  incomplete dominance.

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Answer:

Oxygen dissolves in surface water due to the aerating action of winds. Oxygen is also introduced into the water as a byproduct of aquatic plant photosynthesis. And When dissolved oxygen becomes too low, fish and other aquatic organisms cannot survive.

Explanation:

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:

b

Explanation:

Element: each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e. the number of protons in the nuclei of its atoms, or a part or aspect of something abstract, especially one that is essential or characteristic.

Compound: a thing that is composed of two or more separate elements; a mixture, or made up or consisting of two or more existing parts or elements.

Homogeneous mixture: A mixture where the composition is constant through out. There is a bigger definition if you look up Homogeneous mixture definition

Heterogeneous mixture: A heterogeneous mixture is often composed of different solids, or of matter existing in two or more different phases. Phases are states of matter; there are three well-known phases: gases, liquids, and solids.

Solution, in chemistry, a homogenous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility. The term solution is commonly applied to the liquid state of matter, but solutions of gases and solids are possible.

Some of these answers are from a online dictionary. Others were Ctrl + C and V from other websites like(sciencetrends.com/heterogeneous-mixture-definition/) and (www.britannica.com/science/solution-chemistry#:~:text=…)

So probably Homogeneous mixture

Srry if it is wrong

Molecular nitrogen (N2) is a chemical element whose structure is composed of

two nitrogen atoms which are tightly bound together

An element is a substance which cannot be split into simpler units by an ordinary chemical process.

Below are some examples of elements:

So therefore, molecular nitrogen (N2) is a chemical element whose structure is composed of two nitrogen atoms which are tightly bound together

Complete question:

What is the structure of the chemical element nitrogen?

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Answer:DId you even read it you have to that in your lab class and  says you need other information aint no way i can answer that

Explanation:

Answer:b

Explanation:

Answer:

We divide our energy use among four economic sectors: residential, commercial, transportation, and industrial. Heating and cooling our homes, lighting office buildings, driving cars and moving freight, and manufacturing the products we rely on in our daily lives are all functions that require energy.

Explanation:

Hope this helps :\

A renewable resource is a substance of economic value which can be replenished or replaced either through natural recurring processes or biological reproduction.

This happens due to the renewable energy. Now let us understand the renewable energy are those energy that can be used again and again and it re-new after a short period of time. it is generally defined as that kind of energy resources that can be renewed naturally.

Renewable sources of energy can replace conventional sources of energy which produce harmful gasses which is harmful as well as costly.

We divide this energy in few sectors like: residential, commercial, transportation, and industrial. People use these resources for many different things which are used daily.

One of the major resource is the UV rays and people use it to produce the electricity. Many of such resources are also used in different chores like cooking, driving vehicles, etc.

Example: biomass is a biological material taken from plants or plant-based materials.

Biomass is considered a renewable resource because plants and plant-based materials can be found everywhere and once used these plants will continue to grow and supply the demand for biomass consumption.

Therefore, these resources are the most useful resources which can be renewed easily and thus used in different ways.

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Answer:

Explanation:  First and foremost, we must carefully examine the provided diagram in order to properly name the sections of an atom diagram.

Step-by-step instructions are given along with the answers in sequential sequence.

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Answer:

The answer is A

Explanation:

its total number of electrons

Answer:

Some small volcanoes only erupt once in their lives,

while other volcanoes erupt multiple times. Kilaeua volcano in Hawaii, which has been erupting continuously since 1983, is the world's most active volcano. While some volcanoes erupt at regular intervals, there are always exceptions to the rule

Answer:

small volcano's only 1 time while big volcano's mutiple times

Explanation:

Answer:

The correct option is;

Oxygen (O) and nitrogen (N)

Explanation:

Dipole moments take place when there are separated charges such as between  ionic bond ions or covalent bond atoms due to electronegaivity differences, such that dipole moment is directly proportional to electronegativity

From the electronegativity series we have

Oxygen = 3.44 Nitrogen = 3.04, Difference = 0.4

Sb = 2.05 Te = 2.1, Difference = 0.05

Sn = 1.96 Ge = 2.01, Difference = 0.05

P = 2.19 As = 2.18, Difference = 0.01

Therefore, oxygen (O) and nitrogen (N) is more likely to have a dipole moment.

Answer:

Nucleus of a plant cell = light microscopes

surface of a dust particle = scanning electron microscope.

Feeding behavior of a microorganism = electron microscopy.

Structure of a single white blood cell = typical optical microscope

Answer:

The sun rays reaching the earth heat up its surface .

The heat absorbed by the earth is released in the night therefore the cloudy nights are hot.

Explanation:

Answer:

Our Sun's rays heat up Earth's surface.

Answer:

The arrangement of fossil in the earth helps one understand the age of the rock.

Explanation:

To arrange the rock layers correctly, begin with the oldest layer at the bottom and proceed to work chronologically up.

The rock strata and fossils in this simulation provide information about the Earth's geological history. The theory of superposition helps us explain why the oldest rock layers are at the bottom and the youngest layers are at the top. We can establish the relative ages of the rocks by studying the fossils within each stratum. Fossils from earlier strata are no longer detected as new layers form, indicating that they have vanished from the fossil record and will not resurface. We can learn about the properties of the rock strata and the fossils they contain by carefully investigating their characteristics. We can reconstruct the timeline of Earth's geological past, understanding the changes that occurred over time.

Answer:

I believe that the answer is 2

Answer:

2

Explanation:

To find an epicenter of an earthquake, you look directly above the point at the center. The center, as we can see, is at point 3. If we move in a straight line up, we can see that the epicenter is at point 2.