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please help!!! if you can answer all

Parasitism is the relationship between two species where one organism (the parasite)  benefits from another organism (by living in it and) causing harm to the host parasite.

While predation is an interaction between two organisms (predator and prey) where the predator eats a prey or a part of its body.

Considering these two relationships, we can say that both of them grow at the expense of the host or prey. Therefore, both of the predator and parasite are dependent on prey or host for their survival.

Parasitism and predation are similar in way that in both process only one partner gets benefited while other gets harm.

Parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm.

The preying of one animal on others.

In both case second party always get harm.

9G IS IT AND THATS IT ALL GOT IT

Final answer:

The mass of the table salt is found by subtracting the mass of the container from the total mass. For example, 124g (total) - 9g (container) equals a salt mass of 115g. To convert grams to milligrams, multiply by 1000; hence 52 grams equals 52000 milligrams.

Explanation:

Understanding Mass Measurements

To answer the questions regarding mass measurements and conversions:

A. It requires areas with good sun exposure.

Answer:

A. It requires areas with good sun exposure.

Explanation:

For it to work, you need a lot of sun exposure.

Final answer:

Migration is the least likely to cause extinction as it is a natural behavior, unlike overharvesting, habitat destruction, and competition with invasive species, which are significant drivers of biodiversity loss.

Explanation:

The option LEAST LIKELY to cause the extinction of organisms among the ones provided would be C) migrating from one region to another. This is because migration is a natural process that most organisms undertake in response to seasonal changes or to fulfill their lifecycle requirements. While individual organisms might face risks during migration, as a process it generally does not lead to species extinction.

In contrast, hunting animals for food (A), clearing land for agriculture (B), and new plant species competing with native plants (D) can contribute significantly to species endangerment and possible extinction. Overharvesting through hunting can deplete populations beyond recovery, habitat loss from land clearing can remove the home environment necessary for species survival, and invasive species can outcompete native species, leading to a decline in biodiversity. These factors are often interconnected with major causes of biodiversity loss, such as habitat loss, climate change, invasive species, and overharvesting.

The correct answer is: D) C3H8 + 5O2 -> 3CO2 + 4H2O

The law of conservation of mass (matter) states that the mass of the system must remain constant over time. So, the mass of the chemical components before the reaction must be equal to the mass of the components after the reaction, according to this law.

3 C,8 H, 10 O

the answer is D) C3H8 + 5O2 -> 3CO2 + 4H2O

" Up " or " against " a concentration gradient means from low concentration to high concentration. Moving in this direction requires some sort of en else.

The right option is; gas

Propane is most likely a gas.

Propane gas is a flammable hydrocarbon, and one of the liquefied petroleum gases. Propane is produced from petroleum refining and natural gas processing. Propane gas can be liquefied at very low pressures. Propane is commonly used as fuel in cooking, heating, and also for aerosol propellants, refrigerants, and in motor vehicles.

Propane is a gas that is often used for heating and cooking, and it is stored as a liquid under pressure.

If a propane tank is opened inside a house, the atoms from the tank will quickly spread throughout the house. This behavior is characteristic of a gas, which is one of the states of matter. Propane, with its molecular formula C3H8, is indeed commonly used as a gaseous fuel. At room temperature and under moderate pressure, propane is typically stored as a liquid in tanks, but when it is released, it becomes a gas. This change occurs because propane, while it liquefies under pressure, will vaporize and expand to fill the available space once the pressure is removed and the propane is exposed to normal atmospheric conditions.

Propane is an efficient energy source and is used in situations where natural gas pipelines are not available. It is also known for its use in barbecue grills and various heating applications. Propane's ability to be compressed into a liquid form greatly facilitates its storage and transportation. When released, it expands and is used as a gas.

My answer to this question is A. It can impact waterways through sedimentation and pollution. It makes more sense. Also I took a test on this.

The practice of tillage can be harmful to the overall environment as it can impact the waterways through sedimentation and pollution. Thus, the correct option is A.

Tillage is the agricultural preparation of the soil through mechanical agitation of various types of practices, such as digging, stirring, and overturning. Examples of human-powered tilling methods using the hand tools which include shoveling, picking, mattock work, hoeing, and raking.

Depending upon the purpose or the necessity required, different types of tillage are carried out in the environment. These are deep ploughing, subsoiling and year-round tillage. The practice of tillage can be harmful to the environment as it can impact the waterways through the sedimentation and pollution.

Therefore, the correct option is A.

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Nucleus: Protons and Neutrons

Electron Cloud: Electrons

An atom consists of three subatomic particles i.e Electrons, Protons and neutrons. Protons and neutrons are found inside of the nucleus of an atom whereas electrons are found in the orbits that surround the nucleus of an atom known as electron cloud. In the atom Protons contain positive charge to attract the electrons which contain negative charge and the neutrons contain no electrical charge.

nucleus-

positively charge particles

neutral particles

electron cloud-

negatively charged particles

just finished assignment hope this helps

the answer is B. TSH

Answer:

B. TSH

Explanation:

Thyro-stimulating hormone (TSH) is produced by the pituitary gland and its purpose is to stimulate the thyroid to produce T3 and T4 hormones. When TSH values are at low concentrations, T3 and T4 are present at high blood concentrations, the result is that the individual may experience agitation, heart palpitation, insomnia, weight loss, nervousness, tremors, decreased muscle mass, fatigue, weakness and even depression.

1.Evaporation of water

2.Formation of clouds

3.Precipitation of water

4.Collection of water

Explanation

The water cycle starts the moment the sun heats the water collected on water bodies such as lakes and oceans to cause evaporation.The evaporating water rises to reach high atmospheric levels where it cools and condenses to form clouds.The clouds further become heavy to result into precipitation in form of rain.Rain water is collected in the various depressions on the ground and the cycle starts again.

The correct order of the water cycle is as follows:

Explanation:

The Water Cycle is described in the following order:

1) Evaporation of Water

2) Formation of Clouds

3) Precipitation of Water

4) Collection of water  

Water cycle is the process of converting water into vapors and then again converting it into water.  

When the temperature on Earth rises, the water in the oceans, rivers, seas, etc, evaporate. This is evaporated water rise above the atmosphere through a process called water Evaporation, and due to low temperatures in the atmosphere, the water vapors condense and falls back to the earth in the form of rain through a process called Precipitation. Then this water is again collected by seas, rives, oceans, etc.  

This is called the Water Cycle.

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The test tube with 1,000 amylase enzyme molecules is expected to complete the digestion of starch faster.

Digestion of starch starts in the mouth, where amylase breaks the starch chains into shorter pieces such as maltose. There are more amylase enzyme molecules in the test tube with 1,000 amylase molecules compared to the one with 500 amylase molecules. Therefore, you would expect the test tube with 1,000 amylase enzyme molecules to complete the digestion of starch faster than the other tube. This is because the higher concentration of amylase enzymes allows for more efficient and faster breakdown of starch molecules into sugars.

The major problem with using geothermal energy is it is not a readily available power source for all.

Hence, the correct option is: B. It is not a readily available power source for all.

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Gas is compressible while liquid and solids are not. Gas particles are free to go wherever they please. The gas particles are not compacted together very tightly whereas solid particles are compacted very tightly. Liquid particles are not super compacted but they’re still not able to move as freely as gas particles. Hope that helps

Answer:

Use the particle model of matter to explain why you can compress a gas easily, but you cannot compress a liquid very easily. The particles in a gas have very large spaces between them, so the particles can be 'squashed' closer together, meaning the gas can easily be compressed to take up a smaller volume.

Explanation:

Answers

38. (b) be smaller in size, (The cell 0.5% salt placed in a hypertonic solution of 1.5% salt)

39. (a) cell A will swell more than cell B

Explanation

The process where water moves across a membrane is called osmosis. Salt solution triggers osmosis by attracting the water and making it to move towards it, across the membrane. If the concentration of the salt inside a cell is the same as that concentration outside the cell, the water level will stay the same and there will be no change in shapes of the cells because they are placed in an isotonic solution. A cell cannot loose or gain water when placed in an isotonic solution.

The movement of water in a cell occurs towards the highest solute concentration. If a cell is in a hypertonic solution (> 5% glucose) solution, the water will move from the lower concentration of solute to the region with the highest solute concentration to maintain equilibrium of osmotic pressure. Cell B that is placed in a 5% glucose will lose more water and its size will be smaller than that of cell A because it would have wilted more than cell A which was placed in a 2% glucose solution.

The correct option of 38 question is B which is be the smaller size.

As the cell is suspended in salt solution which is hyper tonic as compared to cell.

And salt ions are also not allowed to enter the cell, so the consequence will be the movement of water from cell to salt solution to make cell equal to salt solution.

So the cell will shrink making cell of smaller size.

The correct option of 39 question is option B which is cell B will swell more than cell A.

Answer:

Although the question is incomplete, missing options are

Correct option: In 1996, they planted more trees to curb water pollution.

Explanation:

Among given options, a clear trend of nitrate level can be seen. Initially, the nitrate level increased in water in first two years (1994 and 1995) and then it decreased significantly.

From the conditions given in the question, the most probable answer is B the plantation effect (phytoremediation). During phytoremediation, plants take up nutrients including nitrate from the water via roots. This nitrogen is then used for the growth and development of plant body mass (e.g. amino acids). As more plants were growing in later years, higher reduction of nitrate was seen. Resultantly, in 1997, the concentration of nitrate was dropped to 7.3 mg/L.

The other options are not correct due to following reasons.

A. There is no information on water consumption in the question

C. There is no information on people's behavior on drinking water lifestyle.

D. Nitrate in the water cannot be smelled or tasted.

The nitrate levels from 1994 to 1997 indicate a possible health risk in 1995 when they exceeded 10 mg/L, associated with "blue baby syndrome." The data suggest varying health risks and the importance of water quality monitoring to ensure safety.

The nitrate levels in water from 1994 to 1997 suggest that in 1995, the concentrations exceeded 10 mg/L, which is above the level that can cause health issues such as "blue baby syndrome" (acquired methemoglobinemia). In the European Union, drinking water quality standards require nitrate levels to be less than 50 mg/L, so even the highest recorded level (12.2 mg/L in 1995) was within EU standards but could still pose a risk to infants. Elevated nitrate levels can originate from sources like sewage sludge disposal, on-site sanitation, and agricultural activities.

Furthermore, nitrate contamination is a common issue globally, and high levels of nitrates are especially problematic in some low-income countries. As nitrate does not degrade easily in high oxygen conditions, it can persist in groundwater, affecting water quality over the long term. Clean-up efforts in various locations have shown varied success, with contamination remaining a significant issue in some places, such as with Cr(VI) in the water supply of certain US cities.

Given the data presented, it's likely that people living in this location may have experienced periods of increased health risks due to high nitrate levels, especially in 1995. The varying levels over these years could suggest changes or interventions in local practices or environmental conditions that impacted nitrate concentrations in the water supply. Continuous monitoring and adequate filtration are crucial to ensure the quality and safety of drinking water.

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D. Cholinergic antagonists

Commensal/commensalism is the correct answer.

Amount of food eaten depends on the chicken size aka chicken size

the chicken size should be independent

Answer:

A. Fish

B. Fungus

Explanation:

Just did it on edge

Fish and Fungi caused the rapid decline or decrease of the Sierra Nevada yellow-legged frog population. So the correct options are A and B.

A population is a measurement of the total number of people in a region, and it can take many different forms. They depict groupings of people that could be very big or very little in size, dispersed or close together, and composed of a wide range of people or people who are highly similar.

We may talk about the population of humans in Chicago, for instance, but we might also talk about the human worldwide population. Despite being two completely distinct groupings, both are populations! The distribution of a population is the region across which it exists, and the abundance of that population is the number of persons in that area.

However, all populations are prone to many environmental variables and factors that have an impact on how they develop and survive, regardless of their size, shape, or diversity.

Therefore the correct options are A and B.

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Answer:

Option “C”.

Explanation:

A location that receives a large amount of radiation.

A solar panel needs solar energy (solar radiation) to convert it into other forms of energy, for example, it requires solar energy to glow the bulb, heats the water, runs various electrical appliances, etc. Hence, a proper area that receives a large amount of radiation is a favorable condition for installing solar panels.

Answer:

Leah is indicating the development of self-awareness.

Explanation:

In 1972 Beulah Amsterdam of the University of North Carolina published a study that toppled decades of research and kicked off self-awareness. The study procedure was simple: 88 babies aged 6 to 24 months were placed in front of a mirror, all of them had a small red spot on their noses. Then the mothers would point to the baby's reflection in the mirror and ask who the mirror was. The researchers watched the babies' behavior during the tests.

Only babies ages 20-24 could recognize themselves in the mirror. These babies pointed to the red spot on their own noses. This strongly suggests that they recognized the image as their own, became aware of self, so much so that they pointed to the roaring stain on their own noses.

Accordingly, we can see that when Lia touches the red spot on her nose she is demonstrating that developing self-awareness.

The density is the quotient between the mass of a material and the volume occupied by it, The density can be expressed for a substance or for a mixture of substances. For example, water density in ambient conditions is equal to 1.00 g/cm3, which means that in 1 cm³ or 1 mL, there are 1.0 g of water. Therefore:

D = m / V

D = 49 g / 9 cm³

D =  5.444 g/cm³

Processing the crime scene includes the law enforcement officer taking command of the scene and setting boundaries to keep both people and evidence safe, as well as the proper packaging and storing of evidence.

Processing the crime scene includes the law enforcement officer taking command of the scene and setting boundaries so that uninvolved persons cannot come on the scene, thus keeping both people and evidence safe. It also involves the proper packaging and storing of all evidence. The emergency medical team's arrival and the locking of all the doors around the house are not directly part of the process of processing the crime scene.

Processing a crime scene is a crucial step in criminal investigations, and it involves several important procedures. This includes a law enforcement officer taking control of the scene, establishing boundaries to preserve the integrity of evidence and ensure the safety of individuals involved. Properly packaging and storing evidence is also a critical aspect of this process. This helps maintain the chain of custody, ensuring that evidence is handled and documented in a way that preserves its integrity and admissibility in court. Overall, careful and methodical processing of a crime scene is essential in gathering accurate information and building a strong case for prosecution.

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Crime scene processing involves law enforcement taking command, setting boundaries to prevent evidence tampering, and proper packaging and storing of evidence. Forensic scientists and forensic anthropologists aid in analyzing biological evidence and processing DNA.

Processing a crime scene includes significant steps such as law enforcement taking command of the scene, setting boundaries to ensure uninvolved persons cannot tamper with the evidence, and keeping both people and evidence safe. It also includes the proper packaging and storing of all evidence. Specific professionals, such as forensic scientists and forensic anthropologists, play key roles at this stage, analyzing different types of biological evidence left at the scene such as blood, hair, and other body fluids, and also processing DNA. This thorough process is crucial to ensure evidences remain untampered and can be presented accurately in a court of law.

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I believe B.) Analogous structures show that living in similar habitats doesn't lead to similar adaptations is your right answer.

Answer:

D

Explanation:

It is pollen transfer

Mass movement, which is sometimes called waste movement or slope movement, is defined as the large movement of rock, soil and debris downward due to the force of gravity.

1.  Slope  

    - Gravity provides the energy to move the materials.  

    - Rapid movements (e.g. landslide, slumping) etc.

2.  Water

     - Rainwater acts as a lubricant to weathered materials.  

     - Rainwater adds weight to weathered materials.  

3.   Rock structure  

     - Joints dipping downslope usually assists landslides, rockfalls, rockslide etc

4.  Vegetation  

     - Lack of vegetation cover to hold the loose particles.  

5.  Vibrations  

     - Earthquakes.  

     - Construction processes and mining operations.

Plants would be correct...

Answer:

protects body organs and support

I think is b but I don’t no