earth science questions(again)

Child abuse is hurting a child in a physical, emotional or sexual manner.

Child neglect is when a child is being neglected through, not having love and attention, education and nutrition, etc.

Answer:

Child abuse is hurting a child in a physical, emotional or sexual manner.

Child neglect is when a child is being neglected through, not having love and attention, education and nutrition, etc.

Explanation:

Correct for Plato

The answer is a hypothesis.

A hypothesis  is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot satisfactorily be explained with the available scientific theories.

Spectroscopy is what i found to be true.

Answer: A. Parker Probe

Explanation:

21 food and oxygen

22 H

Synapses are known as the junction between the two adjoining neurons. The nerve impulses are passed through this gap with the help of the neurotransmitters. In a synapse, the axon of one neuron is present in proximity with the receptor of another neuron. The synapse between the two adjacent neurons helps them to communicate with each other.

Hence, the blank can be filled with 'synapse'.

The correct answer is B. A synapse is the junction between neurons or between a neuron and another cell type. It functions to transmit signals and involves complex interactions of neurotransmitters aiding in cellular communication.

The correct term for the junction between adjoining neurons where the axon bulb of one neuron comes in proximity with specialized receptor sites on another neuron is the synapse. Let's break down why this option is correct:

Thus, Option B, a synapse, is the correct answer.

Complete question:

The junction between the adjoining neurons where the axon bulb of one neuron comes in proximity with specialized receptor sites on another neuron is called the?

A. Junction point

B. A synapse

C. A joint

D. Constant bridge

The correct answer is option D

The population of rabbit over the first unit of time is reduced because the population of snakes was more than the normal population.

The predators of rabbits are snakes and if the population of predator will be more than the population of the rabbit then snakes will eat them. Ultimately the population of rabbit will be decreased.

Then after some time the population of rabbit increased as the population of snakes decreased.

The rabbit population to decrease because A higher than normal population of snakes. Option D

Due to the fact that there were more snakes than usual during the first unit of time, the rabbit population decreased.

Snakes are the rabbits' main predators, and if there are more snakes than there are rabbits, the snakes will consume the rabbits. The rabbit population will eventually decline. Following that, as the population of snakes declined, the population of rabbit rose.

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Alpha particles, beta particles, and gamma rays are the three most general kinds of radiation discharged by radioactive or unstable isotopes. Gamma rays refer to the high-intensity bundle of energy being emitted from certain decaying nuclei.  

Beta particles refer to the negative particle similar to an electron but radiating from a decaying nucleus.  

Alpha particles refer to the particles radiating from the nucleus of certain atoms similar to a nucleus of a helium.  

Answer: Asthma is a chronic inflammatory disease of airways(nasal cavity,trachea , bronchiole). The disease manifests as recurrent attacks of wheezing, coughing and shortness of breath. The muscles surrounding the airways restricts the passage and there is a limiting amount of air supply to the body causing a choking sensation.As there is a natural defence mechanism in our body asthma induce the secretion of sputum and mucus, that leads to constrict the airways , making the asthma attack worse.

As a result of loss of oxygen there is a condition called hypoxia and because of this there could be some serious issues related to the body depending upon the time interval of asthma .These can be

The correct answer is option B. Genotype AA, phenotype-Unaffected.

The cystic fibrosis is a condition caused by the inheritance of the two recessive allele, It is an autosomal recessive disease.

In the given case, the parents are carriers, and the carriers are always heterozygotes. Hence, the phenotype of the both parent should be Aa. A possible cross of the parents is shown in the figure below.

In case, the progeny have a single dominant trait, the child would not be affected, but will be a carrier and can pass the disease to offspring. In case, the child inherit both the dominant allele (homozygous dominant) from the parents, then he/she would be unaffected. In case, the phenotype of the child is homozygous recessive then it would be affected.

The possible genotype and phenotype of individual is Genotype AA, phenotype-Unaffected. Hence the correct option is b.

The cystic fibrosis is a condition caused by the inheritance of the two recessive allele, It is an autosomal recessive disease.

In the given case, the parents are carriers, and the carriers are always heterozygotes. Hence, the phenotype of the both parent should be Aa. A possible cross of the parents is shown in the figure below.

In case, the progeny have a single dominant trait, the child would not be affected, but will be a carrier and can pass the disease to offspring. In case, the child inherit both the dominant allele (homozygous dominant) from the parents, then he/she would be unaffected. In case, the phenotype of the child is homozygous recessive then it would be affected. Hence the correct option is b.

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1.) C) organic molecule

2). B) 6

3) B) carbon and hydrogen

Organic molecules are compounds containing carbon-hydrogen bonds; most atoms require 8 valance electrons to complete their outer shells; proteins, carbohydrates, lipids, and nucleic acids all contain elements of carbon and hydrogen.

1. Any molecule that contains carbon to hydrogen bonding is known as a C) organic molecule. Organic molecules are those which contain carbon atoms covalently bonded to hydrogen atoms. Examples of organic molecules include methane (CH4), glucose (C6H12O6), and many more.

2. The number of valance electrons generally needed to fill the outer shell of most atoms is C) 8. This principle is known as the octet rule, and it is based on the observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shell, giving it the same electronic configuration as a noble gas.

3. The main elements that all of the macromolecules in biochemistry (proteins, carbohydrates, lipids and nucleic acids) have in common are B) carbon and hydrogen. All these macromolecules are made up of these two elements along with others specific to each type of molecule. For example, proteins also contain nitrogen, oxygen and sometimes sulfur; carbohydrates and lipids additionally contain oxygen; and nucleic acids also contain nitrogen, oxygen, and phosphorus.

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How much energy the food molecules have is the correct answer.

The presence of molecules determines amount of energy a human can receive from food. Food molecules have macromolecules such as carbohydrate, protein and fat which release energy when broken down into simpler molecules with the help of enzymes. The food we eat has these macromolecules which is used as a fuel for running the body so we can conclude that food molecules have energy.

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That should be all of the above

Hope this helps :)

Answer:

all of the above

Explanation:

Landfill is where solid waste generated by city dwellers is destined. This space is composed of domestic, commercial, industrial, construction waste and also from waste generated in sewage. Landfill is a kind of deposit where solid waste from homes, industries, hospitals and buildings is discarded. Much of this waste is made up of non-recyclable materials, as we all know, non-recyclable waste causes serious problems in nature, so it is important that people reduce the amount of waste in landfills.

To help reduce landfill, people can use fewer consumables, recycle and use refillable water bottles.

An "organism" is considered the highest level of organization of cells, yet it is also found at the lowest level of cellular organization. True False

the answer is true

Final answer:

The statement is false; dye molecules continue to move randomly even after diffusing evenly throughout the water due to constant kinetic energy.

Explanation:

The statement that 'after a dye diffuses uniformly throughout a glass of water, the dye molecules are no longer moving' is false. Diffusion is the process by which molecules move from an area of high concentration to an area of lower concentration. When you place a drop of dye into water, it will diffuse until there is an even distribution throughout the water. This state is known as equilibrium, where there is no net movement of dye molecules, but the individual dye molecules continue to move randomly. It's important to note that molecular motion is constant due to kinetic energy, so even when the dye has spread out evenly, the molecules are still in motion.

Final answer:

Salamanders are amphibians that most closely resemble early tetrapods in body form. They have a long body with short legs and a tail, similar to early tetrapods. Salamanders are adapted for walking and swimming, and their gait is thought to be similar to that of early tetrapod's.

Explanation:

Salamanders are amphibians that most closely resemble early tetrapods in body form. They have a long body with short legs and a tail, similar to early tetrapod's. Salamanders are adapted for walking and swimming, and their gait is thought to be similar to that of early tetrapod's. Unlike frogs and toads, salamanders keep their tails as adults and have moist, smooth skin.

The correct answer is C. Salamanders are amphibians that most closely resembles early tetrapod in the body form.

Salamanders are amphibians that most closely resemble early tetrapods in body form. They have a lizard-like appearance with a long tail and four limbs, which is similar to the fossil record of early tetrapods that transitioned from aquatic to terrestrial environments during the Devonian period. Frogs, snakes, and toads have evolved more specialized body forms that are less similar to these early tetrapods. Frogs have a more specialized jumping form, snakes have lost their limbs, and toads, while similar to frogs, have dry, warty skin and shorter legs. Salamanders, on the other hand, retain many of the primitive characteristics of the first vertebrates to walk on land.

I believe its Phytoplankton.

Answer:

-Phytoplankton.

Explanation:

Producers in an ecosystem are autotrophic organisms that can synthesize food by their own. Phytoplanktons are autotrophic, microscopic marine organisms, considered as the main producers in the ocean ecosystem.

They include photosynthetic algae and bacteria, which use sunlight as source of energy and convert it into chemical energy (as food) for consumers.

Thus, the correct answer is option). phytoplankton.'

Answer:

There are no holes for blood to enter or leave the system

The addition of animal waste and decayed plant matter would serve as manure on land and soil.

The general effect of these additions are the fact that the soil would get to become thicker and also more nourishing. This would yield into more and better growth of plants.

When these wastes start to decay and decompose, they help the soil by adding nitrogen to the ground. This nitrogen is what helps in the growth of plants.

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The right option is; C. Inherited mutations exist in all cells in the body and somatic mutations only exist in the cell type that mutated.

Inherited mutations are gene mutations that exist in almost every cell in the body throughout an individual’s life. Inherited mutations are inherited from a parent and can also be transmitted. They are also called germline mutations because they exist in the parent’s egg or sperm cells (gametes).

Somatic mutations are gene mutations that exist in only certain cell types that are mutated, not in every cell in the body and it take place at some time during an individual’s life. Somatic mutations are not inherited and cannot be passed. They are caused due to environmental factors (such as cigarette smoke or ultraviolet (UV) radiation) or due to error during DNA replication.

Answer:

A for plato

Explanation:

Answer: Option C

Explanation:

The energy that is required by the body is primarily stored in the form carbohydrates. The energy from the carbohydrates is easily converted into a usable form which is adenosine triphosphate.

The energy from the carbohydrates can be derived easily but from lipids it is difficult. Lipids contain more energy than carbohydrates because they contain more carbon to hydrogen bonds and when these bonds are broken down they release energy.

This energy is much more than carbohydrates. Hence, the maximum energy in the molecules is in lipids.

Answer:

4,509 million kilometers

Explanation:

is there any other info?

The correct answer is D. The results only support her hypothesis. I just answered this question on study island and this is the correct answer.

Answer:

shape of nucleus

Explanation:

usa test prep

are extinct

were alive only for a short time

lived in a narrow geographic area

had hard parts

Answer:

Options (1), (2), and (4)

Explanation:

Index fossils are usually defined as those fossils that were present on earth for a very short period of time. They were very broadly distributed in almost all parts of the world. They were comparatively smaller in size and comprised of hard parts that were preserved under favorable conditions which are found at many places in the present. These are extinct species. For example, trilobites and ammonites.

These index fossils are very useful because it helps in determining the age of the fossils as well as rocks by applying the radioactive dating method.

thus, the correct answers are options (1), (2), and (4).

Gene expression is about making mRNA which is then translated into a protein. If the mRNA that was expressed is mis-read it may or may not have an affect on gene expression. It will have a negative effect if:

1. The protein produced is required for gene expression (e.g. the DNA polymerase)

2. The protein produced is another critical protein that the cell cannot live without.

3. If the question is more about constantly misreading during translation, eventually the cell would die because the wrong proteins would be made (or not made at all).

Because same base pairs are arranged differently among organisms due to which there are so much variations in organisms.

So same base pairs with different pattern arrangement causes variation among organism.

Answer:

The order of the codons differs between organisms.

Explanation:

The four nitrogenous bases, guanine, thymine, adenine, cytosine (and uracil in RNA) are present in all living beings, forming pairs that are able to define our genetic characteristics. Nitrogen bases can have 64 different combinations, so there are 64 different codons. Of these codons, 61 will encode the 20 different types of amino acids in existence. The order that these bases are and the order that each codon is within the DNA is the factor that determines why there is so much variability among living things.

the answer is B by the number of valence electrons.