name the scientist who developed the process called National selection​

Answer:

Explanation:

somr bacterias are bad health

Answer:

In other areas groundwater is polluted by human activities. Water in aquifers is brought to the surface naturally through a spring or can be discharged into lakes and streams. Groundwater can also be extracted through a well drilled into the aquifer. A well is a pipe in the ground that fills with groundwater.

                                                or

Free water migrating within rock pores, cracks and fissures is called groundwater. Groundwater constitutes the largest source of water used by Man for drinking and for many other purposes. It circulates in porous rocks called aquifers.

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Explanation:

Answer:

Groundwater is naturally recharged by rain water and snowmelt or from water that leaks through the bottom of some lakes and rivers. There are also techniques to manage aquifer recharge and increase the amount of water infiltrating into the ground. Groundwater can be found almost everywhere.

Chromosomal mutations are the change in genetic sequences of large DNA part that includes many genes. The chromosomal mutation occurs due to error in crossing over during meiosis.

Mutations are the change in the sequence of the DNA that results in variation in the gene expression. The chromosomal mutations include large DNA sequences. These can be duplication, deletion, translocation and inversion.

Meiosis is the type of cell division where the chromosomal content of the daughter cells is half of that of the parent cell. And for this reason it is also called the reduction division. The cell division occurs in two phases: Meiosis I and Meiosis II.

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The filtrate or developing urine is undergoing alteration by secretion and reabsorption before traveling from this point to the extremities of the collecting ducts.

Normal urine might be clear or light yellow in color. However, some factors can alter the color. Foods like beets, blackberries, and fava beans, for instance, might cause urine to turn pink or red. Additionally, some medications might produce vibrant urine colors like orange or greenish-blue.

Urobilin, a chemical waste product produced by the disintegration of old red blood cells, is what gives urine its most prevalent color, which is yellow.

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Answer:

0%

Explanation:

Four important characteristics of a mollusk are:

The phylum Mollusca has many distinctive features and  special characteristics. which include a mantle that has mantle cavity, visceral mass, foot, and radula. Mollusks also includes various classes like Gastropod, Bivalvia, Cephalopoda, and Polyplacophora .

Gastropods have a special characteristics that includes spirally-coiled external shell while others mollusks usually have a flattened shell, and many of them doesn't  possess any shell as outer structure.

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Black females and orange males also give birth to calico cats. Usually, male kittens only inherit the male's coat color. The Y chromosome determines the sex of males, but has nothing to do with coat color.

Calico cats are domestic cats of all breeds with tricolor coats. Calico cats are most commonly thought of as being 25% to 75% white with large orange and black spots, but they can also include other colors in their patterns. A variation of off-white and gray patches called muted calico sometimes occurs.

The dominant O allele encodes an orange tone, while the recessive O allele encodes non-orange pigmentation (black or brown).

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Answer:

mediastinum is located near the midline

Answer:

It's a cell membrane/plasma membrane

According to current NRP recommendations, a low-lying umbilical venous catheter (UVC) is the best way to administer epinephrine. This is followed by a 0.5–1 ml normal saline flush. During resuscitation, 1.0 mg (10 mL of a 1:10 000 solution) of epinephrine hydrochloride is advised to be administered intravenously (IV) every 3 to 5 minutes.

For the medication to reach the central compartment, each peripheral injection dose should be followed by a 20-mL flush of IV fluid. According to the most recent resuscitation recommendations, epinephrine should be administered if the newborn's heart rate is still below 60 beats per minute after 30 seconds of what appears to be effective ventilation with chest rise and 30 seconds of coordinated chest compressions and ventilations. 

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The type of muscle fiber responsible for the regulation of flow in cardiovascular system squeezing gland secreations are smooth muscle fiber.

What are muscle?

Muscles are the types of cell bundle present across an organ to protect it and helps in the movement. Musclescan be differentiates as smooth muscles, straighted muscles, non straighted muscles and others.

The movement of food across gut, cardiovascular blood flow and release from glands are involuntary actions anf are described by the movement of smooth muscles.

Answer:

cell

Explanation:

cell is functioning and structural unit for all living organisms.. they have their own different functions

Answer:

could you upload a picture of it again it’s blurry?

Explanation:

Answer:

light pollution is the presence of artificial light in the night envoronemt so using light that is not the sun

Explanation:

some animals are sensitive to blue light such as titles so not using artificial light will really help them since their sensitive

Answer:

All answers are in the image

Answer:

a) Let "P" be the allele for purple lip color and "p" be the allele for green lip color

Genotypes:

Zit = PP

Zilla= Pp

b) Parental genotypes: PP x Pp

Punnet Square:

PP,PP, Pp, Pp

c) Offspring genotypes: 1 PP : 1 Pp

Offspring phenotypes : all purple

d) 100 % purple lips

e) 0% green lips

Answer: imagine using my questions for points, lol.

Explanation:

Answer:

Explanation:

dominant - red - RR

recessive - white - rr

rr is crossed with an unknown genotype to form Rr,

hence, it can only be RR

rr    x    RR

r            R

     Rr

It allows researchers to compare species with widely varying life spans on the same graph, the range of the actual ages would be too large to fit on the graph.So the correct option is c.

When discussing the life spans of organisms, it is common to use a percentage scale rather than actual ages on the x-axis of a graph. There are several reasons for this.

First, researchers do not know the maximum life span of the organisms that they are studying. By using a percentage scale, they can compare species with widely varying life spans on the same graph without having to worry about one species having a much longer lifespan than the others.

Second, the range of the actual ages would be too large to fit on the graph. By using a percentage scale, the data can be more easily visualized and compared.

Finally, for any graph, the x-axis and y-axis must use the same units. By using a percentage scale on the x-axis, the researcher can easily use the same units on both the x-axis and y-axis, making the data easier to compare and interpret.

In conclusion, a percentage scale is used for the x-axis of a graph when discussing the life spans of organisms because it allows researchers to compare species with widely varying life spans on the same graph, the range of the actual ages would be too large to fit on the graph, and the data can be more easily visualized and compared if the same units are used on both the x-axis and y-axis.

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In this situation, the time of death (TOD) can be estimated by examining the evidence of the body's condition. Rigor mortis, the stiffening of muscles after death, is one of the most reliable indicators of the approximate TOD. The fact that the body of the 16 year old male exhibited rigor in the legs, but not in the upper torso, implies that the body had been in the car for a period of time during which it could have been affected by the ambient temperature.

Rigor mortis usually sets in 2-6 hours after death, and its effects can be seen in the body's muscles for up to 12 hours. As the ambient temperature in the car was 102°F, the body's muscles would have stiffened due to the heat, leading to an accelerated onset of rigor mortis. This means that the TOD for this situation is likely to have been within 2-6 hours of the body being discovered, assuming that the ambient temperature had been stable for the duration of the body being in the car.

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Answer:

more farm land

Explanation:

  increase in population will require more food, thus it can causes more farm land.

true

Simpler animals, such as sea sponges, have one germ layer and lack true tissue organization.

Answer:

c. Proteins

Explanation:

The DNA code contains instructions needed to make the proteins and molecules essential for our growth, development and health.

Hope this helps!

Answer:

protein

Explanation:

To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene.

Answer:

The rock's age is approximately

2.6 billion years.

Explanation:

Hope this helps

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The IRS permits us to write off as eligible medical expenses any unreimbursed costs for procedures, treatments, operations, and dental and eye care.

Additionally, we can write off any out-of-pocket costs associated with visiting a psychologist or a psychiatrist. Deductible expenses include the cost of hearing aids, glasses, contacts, fake teeth, and prescription drugs that are not reimbursed.

We are also allowed to deduct from our taxes the expenditures of traveling for medical treatment, such as gas, bus fares, and parking fees.

Depending on your income, there are different medical expense deduction amounts. In 2022, if taxpayers itemize their deductions using IRS Schedule A, the IRS will permit them to write off all permissible unreimbursed medical care costs that exceed 7.5% of their adjusted gross income.

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Answer:

D. Magnets move away from each other

Explanation:

be repulsive or distasteful to.

bug repellent

a repellent attitude

Answer:

magnets move away from each other

You are all aware that the terms "living" and "biotic" are interchangeable since both refer to the measures of life. It includes, among other things, humans, animals, plants, and predators.

Something that is directly derived from living organisms or that is closely related to living organisms can be considered biotic. Biotic organisms may not always be alive, but they can talk for a long time. A biotic substance is one that once existed or originated from a living thing.

Products like rubber, latex, cow dung, paper, and so on are biotic products that are not living, whereas examples like plants and animals, including humans, fall under the category of living.

As a result, Biotic includes, among other things, humans, animals, plants, and predators.

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The five components of scientific method are: observations, questions, hypothesis, methods and results. Following scientific method procedure not only ensures that experiment can be repeated by other researchers, but also that the results garnered can be accepted.

1. Define a Question to Investigate

As scientists conduct their research, they make observations and collect the data. The observations and data often lead them to ask why something is the way its

2.Make Predictions

Based on their research and observations, scientists will often come up with hypothesis. A hypothesis is possible answer to a question.

3. Gather Data

Evidence is needed to test prediction. There are several strategies for collecting evidence, or data. Scientists can gather their data by observing the natural world, performing an experiment in laboratory, or by running mode

4. Analyze the Data

Scientists organize their data in tables, graphs, or the diagrams. If possible they include relevant data from other sources

5. Draw Conclusions

Based on whether or not their prediction came true scientists can then decide whether evidence clearly supports or does not support hypothesis

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