Using Newton's Second Law of Motion, explain how the skeletal-muscular system works to lift lighter and heavier objects.

Answer:

c. Ecosystem

Explanation:

the only level of organization that includes nonliving and living things is an ecosystem

Answer:

D, B, A, C, F, E

Explanation:

Newton's 1st Law: D

Newton's 2nd Law: B

Newton's 3rd Law: A

Inertia: C

Work: F

Power: E

Answer:

Newton's 1st law = C

Newton's 2nd law = B

Newton's 3rd law = A

Inertia = D

Work = F

Power = E

I hope its right!

Answer:

lol yessssssss

Explanation:

Answer:

no, they don't care, they raise them to be food.

Explanation:

Gimme crown

Answer:

the human genome

Explanation:

Answer:

B. Methane is the answer.

The answer for this question is:

B. Methane

ATP is not suitable for long-term energy storage due to it being an unstable molecule. For long-term energy storage, the body relies on other molecules like glycogen and glucose to produce ATP through cellular respiration. The correct correct is (A).

Elizabeth's thinking is incorrect because ATP is an unstable molecule and not suitable for long-term energy storage. ATP is actually used for short-term energy needs in the body. It is
better suited for immediate energy requirements, such as muscle contractions during exercise. For long-term energy storage, the body relies on other molecules like glycogen, which can be broken down into glucose and then used to produce ATP through cellular respiration.

Answer:

Eukarya

Explanation:

Eukaryotic organisms are plants and animals, Eukaryotic stems from the word Eukarya

The domain Which contains multicellular organisms such as plants and animals are Eukarya. The correct option is c.

Eukarya is the only domain that includes multicellular and visible organisms such as humans, animals, plants, and trees. It's also the domain of many microorganisms, such as fungi, algae, and micro-animals.

Multicellular organisms are composed of several cells that collaborate to fulfill various roles. Plants, for example, contain specific tissues and organs such as leaves, stalks, and roots. Animals have specialized tissues and organs as well, including muscles, nerves, and organs such as the heart and lungs.

Thus, the correct option is c.

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Answer:1. B small intestine

2. 3

Explanation:

number 3 would be the answer

Answer:

Explanation:

Observing is capturing a property or a change by using the senses with or without the aid of an instrument. It does not involve judgement or reasoning.

On the other hand, an inference involves reasoning, a judgment by which a conclusion is drawn from the observations and the knowledge accumulated by the person making the inference.

1. The fish’s ventral fin measured 8.5 cm long.

The size of the fisht's ventral find is measured with an instrument; reasoning is not involved.

2. The population of protozoans in the lake has increased since there is an increased level of carbon dioxide in the water.

It is an inference because the population is measured but the reason why it increased is a conclusion or hypothesis product of analysis (reasoning). It is based on evidence, but not the evidence per se.

3. The grizzly bear’s tracks were 5.5 cm deep in the mud; therefore, it weighs 410 kg:

The first measure, the depth of grizzly bear's track is an observation, because it is measured, but the weight of the grizzly bear is a conclusion derived from other knowledges that require the use of our mind, may be from a correlation, or a table, or a formula, but it is not measured directly using our senses.

4. The level of ozone in the atmosphere increased to 34 parts per billion after the thunderstorm. (notice some typos were corrected).

5. Many fish bones were found around the eagles’ nest; therefore, the eagles were eating fish.

This is an inference, because it is a conclusion or hypothesis. Many fish bones were observed around the eagles'nest, but the eagles were not seen eating fish, but the observer thought (concluded) that the evidence of the fish bones supported the conclusion that the eagles were eating fish.

Answer:

figured someone could use this

Explanation:

Option A (850 lb satellite orbiting 150 miles above Earth’s surface) would experience the greatest gravitational force.

The gravitational force experienced by a satellite in orbit around the Earth depends on the mass of the Earth and the distance between the satellite and the center of the Earth.

The force of gravity decreases with distance, so the closer the satellite is to the Earth's surface, the stronger the gravitational force it experiences.

Option B (850 lb satellite orbiting 1500 miles above Earth’s surface) is farther away from the Earth's surface than option A, so it would experience a weaker gravitational force.

Option C (1200 lb satellite orbiting 150 miles above Earth’s surface) is closer to the Earth's surface than option B, but it has a greater mass, which means it would experience a stronger gravitational force than option B but not as strong as option A.

Option D (1200 lb satellite orbiting 1500 miles above Earth’s surface) is both farther away from the Earth's surface and has a greater mass than option A, so it would experience the weakest gravitational force of all the options.

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Answer:

D

Explanation:

No exceptions - All of these factors affect birth rates. Therefore, option (D) is correct.

The birth rate is the number of live births per unit of population in a specific area or time period. Birth rates in a population can be affected by a variety of factors, including the availability of food, the availability of mates, and the health of the mother.

The availability of food can affect birth rates because it can influence the ability of individuals to produce and rear offspring. For example, if a population has access to a sufficient amount of food, individuals may be more likely to reproduce, leading to an increase in birth rates. On the other hand, if a population lacks access to sufficient food, individuals may be less likely to reproduce, leading to a decrease in birth rates.

The availability of mates can also affect birth rates because it can influence the ability of individuals to reproduce. For example, if a population has a sufficient number of potential mates, individuals may be more likely to reproduce, leading to an increase in birth rates. On the other hand, if a population lacks sufficient potential mates, individuals may be less likely to reproduce, leading to a decrease in birth rates.

The health of the mother can also affect birth rates because it can influence the ability of individuals to reproduce and rear offspring. For example, if the mother is healthy, she may be more likely to produce and rear offspring, leading to an increase in birth rates. On the other hand, if the mother is not healthy, she may be less able to produce and rear offspring, leading to a decrease in birth rates.

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Difference between a runner spitting versus just someone standing still

Explanation:

Runners while running do breathe, pant, and heave heavily which leads to spitting in the open as a habitual practice. This spitting while on motion leads to heavy dispersal of aerosol droplets which suspends in the air.

Droplets due to respiratory or spitting sources from any person who is infected with any infectious and contagious viral, bacterial, or other infectious diseases will have high chances of the pathogen present in them.

Further the rate and spread of droplet dispersal and transmission of pathogen will be higher compared to that from someone standing still. This puts greater potential for the spread of such droplet transmitted diseases.

Hence proper distancing should be maintained between runners and others to prevent spread of droplet transmitted diseases.

Answer:

Diffusion is a net movement of molecules or ions from a region of higher concentration to a region of lower concentration down a concentration gradient at a random movement.

So food molecules to move into the blood stream because blood is a region that has a lower concentration of molecules.

Answer:

i really dont know much of this but it may be talking ions srry i not very smart but i like helping! :D

Explanation:

Estrogen, the metal Mercury tricks your body into thinking it is the chemical Estrogen

*I'm not really sure of this answer*

Answer:

the balance is everything must have a process of living and dying in an ecosystem. such as, an animal killing another animal for prey to eat it, that is a process. in a water ecosystem, fish lay eggs and come out and usually get eaten by a bigger animal, as they grow up, usually by bigger fish itself such as the Grayling.

Explanation:

Answer:

¿Cuales son las partes principales de un molino eólico?

Un Molino está formado por unas aspas que mueven un engranaje (linterna), que se inserta con una rueda horizontal (catalina), y trasmiten el movimiento del eje de las aspas a un eje vertical, que mueve la volandera.

¿Cuál es la diferencia entre la energía cinética y la energía mecánica?

La energía cinética tiene en cuenta el movimiento, y la energía mecánica la magnitud del movimiento y las fuerzas de un cuerpo.

¿Como llega la electricidad a los hogares de la región ?

La electricidad producida por los molinos eólicos se distribuye mediante aerogeneradores que se conectan a las redes de distribución de energía eléctrica.

Explanation:

Los molinos eólicos permiten generar Energía mecánica. La energía mecánica es el resultado de la energía cinética de un elemento y su energía potencial, mientras que la energía cinética es la energía que posee un cuerpo por su movimiento. Esa energía eólica se transforma en electricidad que abastece a la población cercana.

I hope this helps! :)

The ans is D which is positive punishment as your parents are doing a great thing because u got an f in the exam if ur parents wouldnt do u would be addicted towards fortnite and get an F everytime!

(i dint mean to say your parents no offence)

Explanation:

Living things depend on biotic and abiotic factors in an environment because living things need water (which is abiotic) to survive and predators need living things like birds or insects for food.

Answer:

Chondrichthyes characteristics include a cartilaginous skeleton, lack of a swim bladder, lipid storage restricted to the liver, unique hematopoietic organs, and bacteremia in clinically normal individuals. Variable reproductive strategies are employed throughout this vertebrate class.

Explanation:

The Class Chondrichthyes uses energy-saving strategies such as no bones and cartilage skeletons.

Chondrichthyes are a group of fish that belong to the Gnathostomata division because they have jaws.

All vertebrates with mouths are classified as Gnathostomata.A cartilaginous skeleton, the lack of a swim bladder, lipid storage limited to the liver, distinct hematopoietic organs, and bacteremia in medically normal people are all hallmarks of Chondrichthyes.

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Answer

b. Photosynthesis

Explanation:

That's what study island said is right.

The correct option is B.

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Photosynthesis is the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

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The work done by the heart is often compared to that of a pump. This is because our heart also uses  osmotic pressure to keep blood flowing through our body.

A semipermeable membrane, a barrier having pores tiny enough to enable solvent molecules to pass through but not solute molecules or ions, is used to detect the co-ordinative feature of solutions known as osmotic pressure.

Osmosis is the term for the net flow of a solvent through a semipermeable membrane. Net solvent flow always occurs from the side of the solute with the lower concentration to the side with the greater concentration.

Until the levels in the arms eventually stop fluctuating, there is a net flow of water through the membrane, indicating that equilibrium.

Therefore, The work done by the heart is often compared to that of a pump. This is because our heart also uses  osmotic pressure to keep blood flowing through our body.

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Sugar is added to the test tube to provide food to yeast .

What is yeast ?

Yeast is a single-celled microorganism that is a member of the Fungi kingdom.

What do yeast eat ?

Yeasts feed on sugars and starches, which are abundant in bread dough! They turn this food into energy and release carbon dioxide gas as a result.

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Answer:

i think it is A

Explanation:

A dihybrid cross involves organisms that are heterozygous for two characters and typically results in a 9:3:3:1 phenotypic ratio in the F2 generation according to Mendel's principle of independent assortment, option B is correct.

A dihybrid cross refers to a type of genetic cross that involves organisms heterozygous for two characters. The term specifically denotes a cross in which each parent has two different alleles for two different traits. For example, if one parent has alleles AaBb and the other parent has alleles AaBb, this is a dihybrid cross. Such a cross usually results in a characteristic 9:3:3:1 phenotypic ratio in the F2 (second filial) generation if the genes assort independently.

In a typical dihybrid cross involving two pea plants heterozygous for round, yellow seeds (GgYy), the combination of alleles that the offspring receive from each parent produces a variety of phenotypes with the 9:3:3:1 ratio, where 9/16 of the offspring would be expected to have round yellow seeds, 3/16 would have round green seeds, 3/16 would have wrinkled yellow seeds, and 1/16 would have wrinkled green seeds. This kind of cross helps in understanding how alleles of different genes are transmitted independently from each parent to the offspring according to Mendel's principle of independent assortment.

Answer:

1. When there isn't enough readily available glucose from the breakdown of carbohydrate, the body first turns to stored carbohydrate reserves (glycogen). If there's still no new intake of carbohydrate and the reserves are depleted, the body is forced to use alternative sources (fat and protein) for energy.

2. Gluconeogenesis(generation of glucose from certain non-carbohydrate carbon substrates such as lipids) Use lipids(some organs such as the brain can’t use lipids as their energy source and need glucose)

Explanation:

Hope this helps!

When there's inadequate carbohydrate intake, the body forms glucose through gluconeogenesis, using amino acids, lactate, and glycerol. In a glucose shortage, the body switches to ketosis to generate energy from stored fats, producing ketone bodies instead.

If there is not enough carbohydrate intake, the body forms glucose through a process called gluconeogenesis. This is a metabolic pathway that results in the generation of glucose from certain non-carbohydrate carbon substrates. The liver primarily carries out this function, where it synthesizes glucose from amino acids, lactate, and glycerol.

If there is a glucose shortage, the body generates energy through a process called ketosis. In this state, the body burns stored fat instead of glucose to produce ketone bodies, an alternative energy source.

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Answer:

c

Explanation:

Answer:

3 openings mouth and ears

I am not sure the second part

Explanation:

The skull has several openings through which structures pass, such as the spinal cord, optic nerve, and blood vessels to the eye.

The skull has several openings, known as foramina, through which various structures pass. There are eight main openings in the skull:

These are just a few examples, each opening has specific organs or structures associated with it.

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