Answer:
B
Explanation:
Both have pharyngeal arches and slits when they are embryos. If you look up an image of both embryos you can clearly see this.
Which is an advantage of a natural gas burning power plant over an oil burning power plant
Answer:
Natural gas is a fossil fuel that burns relatively cleanly.
When natural gas is burned for energy, it produces fewer air pollutants and carbon dioxide (CO2) than when coal or petroleum products are burned to produce the same amount of energy.
An advantage of a natural gas-burning power plant over an oil-burning power plant is that the burning of natural gas produces no or less amount of air pollution as compared to that of oil or coal burning.
What is Natural gas?Natural gas may be defined as a type of non-renewable energy resource that typically synthesizes deep under the earth's surface. This gas is a mixture of hydrocarbons that primarily consists of methane.
The burning of natural gas generally releases very less or no amount of air pollutants like carbon dioxide, and other greenhouse gases which are harmful to all living entities. Natural gas is typically cleaner, environment friendly, and burned for energy.
But when coal, oil, or other petroleum products are burned, they release huge amounts of pollutants into the environment and make it toxic for all.
Therefore, it is well described above.
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Explain the general distribution of life in aquatic systems as a function of chemistry, geography, light, depth, salinity, and temperature.
Different types of organisms can exist in a variety of aquatic environments due to the fact that they can vary significantly from place to place and that organisms within each water system will have evolved to adapt to their specific environment.
How does light affect aquatic life?Sunlight plays a vital role in the ocean’s ecosystem. First, sunlight enters the water column, warms it, creates currents, and is then absorbed by phosphorous-rich phytoplanktons. Phytoplanktons use the energy captured by phototrophs (pigments like chlorophylls) to convert water and nutrients into organic matter.
Light availability determines the types of organisms that can live in a particular part of an aquatic environment. The deeper the water depth, the less light it can penetrate until there is no light at all.
The salinity of water affects its density which in turn affects the movement of ocean currents. It may also affect marine life which needs to regulate the intake of salt water. There is a relationship between salinity, temperature, and water density. Therefore, any change in temperature or water density will affect the salinity of the water in the area.
Water chemistry parameters (pH, dissolved organic carbon, and hardness) play a role in metal toxicity by influencing the bioavailability of aquatic species of metals in water.
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22. What is an advantage of a double circulatory system in mammals?
A. Blood can flow down the body on the left and up the body on the right.
B. Blood can flow more slowly along the circulatory system.
C. Blood pressure stays the same throughout the circulatory system.
D. Oxygenated and deoxygenated blood are kept separate.
The answer is A.
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Comparative research into non-exercise activity thermogenesis (NEAT) concluded that _____. A. lean individuals who are overfed spend the same amount of time engaging in NEAT activities daily B. obese individuals do not engage in NEAT activities C. obese individuals spend more time sitting than lean individuals D. lean individuals gain as much weight as obese individuals when overfed
Answer:
C. obese individuals spend more time sitting than lean individuals
Explanation:
Comparative research into non-exercise activity thermogenesis (NEAT) concluded that obese individuals spend more time sitting than lean individuals.
Which is a characteristic of cancer cells?
A. Cytokinesis stage is skipped
B. Contain multiple genetic change.
C. Cell cyclins function normally.
D. Controlled cell Division
Answer:
contain multiple genetic changeNeed some help
A.Australia
B. Russia
C.South Africa
D. United States
Organisms need ___ to conduct essential life activities
Which of the following energy source causes the MOST pollution in the environment?
natural gas
solar
hydropower
tidal
What part of the digestive system absorbs nutrients that our bodies need?
A. Mouth
B. small intestine
C. stomach
D. large intestine
Answer:
B. small intestine
Explanation:
The small intestine absorbs the most nutrients that our bodies need.
objects in stationary position possess what form of energy?
Answer:
potential energy
Explanation:
What are some key elements when discussing the rotation and revolution of the Moon and Earth?
Answer:
rotation is on its axis while revolution is around the sunSome key elements when discussing the rotation and revolution of the moon and earth are the axes of rotation of the earth and moon, distance, time periods, and effects on the tides.
What is the significance of the moon and the earth?The moon and the earth have important relationships, such as the fact that the moon's and earth's rotation and revolution have a significant impact on tides and regulate the rise and fall of ocean water levels through gravitational pull. The distance between the Earth and the Moon also plays an important role in the rotation and revolution of both celestial bodies and regulates the climate.
Hence, some key elements when discussing the rotation and revolution of the moon and earth are the axes of rotation of the earth and moon, distance, time periods, and effects on the tides.
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At what degree both North and South does air begin to sink back to the surface?
A. 30°
B. 45°
C. 50°
D. 60°
Which diagram correctly shows how heterozygous alleles are found on homologous chromosomes?
A chromosome is labeled Upper A a.
A chromosome is labeled a a.
2 chromosomes are labeled Upper A and a.
2 chromosomes are labeled a and a.
Answer:
C
Explanation:
Answer:
Its D
Explanation:
Just took the test on EDGE 2021
Where’s the ‘Times Square’ located in
Answer:
Here is your answer
Explanation:
it is located at Midtown Manhattan, New York City
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Which two words describe the grass in this food chain?
A. Autotroph, primary consumer
B. Heterotroph, producer
C. Heterotroph, primary consumer
D. Autotroph, producer
Answer: Autotroph, producer
Explanation: The grass gets eaten by primary consumer starting the food chain
In a food chain, the grass is referred to as an autotroph and producer. Therefore, option D is correct.
What are autotrophs?An organism is referred to as an autotroph or primary producer when it uses carbon from simple substances like carbon dioxide to create complex organic compounds. These creatures often obtain their energy from inorganic chemical reactions or light.
Both plants like blue-green algae and microorganisms like cyanobacteria are assumed to be autotrophs. Most plants are autotrophs because they create their own food through photosynthesis. But there are always exceptions to the norm. Some plants are parasitic and non-photosynthetic, getting their nutrition from a host.
Thus, the grass in a food chain is described as autotroph and producer. Therefore, option D is correct.
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Base your answers to questions 14 and 15 on the information in the diagram below and on your knowledge of biology. A) Finches with crushing bills eat only animals for food. B) Finches that eat animals always have larger beaks than finches that eat plants. C) Finches with grasping bills usually eat animals for food. D) Finches that eat plants all have very large beaks. 14. Based on the information in the chart, which statement is correct
Answer:
D) Finches that eat plants all have very large beaks.
Explanation:
Finches that eat plants have very large beaks because plants are big in size which can only be eaten with large beak. Those finches that lives in the environment having nuts and seeds having large beaks due to the big size of seeds and plant parts so that's why we can say that finches who feeds on plants parts have larger beaks as compared to those finches who feeds on insects.
what animal has 8 hearts?
Answer:
no animal has 8hearts
Explanation:
tho octopus have 3hearts
Can someone help me if this is correct
Answer:
the answer is C
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Choose the correct ending to this sentence below and explain why? Many drugs are competitive inhibitors of specific enzymes. In such cases........
A. the amount of drug needed to achieve the same effect is increased as the substrate concentration increases.
B. the amount of drug needed to achieve the same effect is increased as the substrate concentration decreases.
C. substrate must be bound to the enzyme before the drug can bind.
D. the enzymes have to be allosterically regulated.
Answer: A. the amount of drug needed to achieve the same effect is increased as the substrate concentration increases
Explanation:
Competitive inhibition is when identical molecules to the substrate molecules gets bonded to the active site which then hinders the binding of the actual substrate. An example of competitive inhibitor is penicillin, since it blocks an enzymes active site which us used in the construction of the bacteria cell.
Then, the correct statement will be:
"Many drugs are competitive inhibitors of specific enzymes. In such cases, then the amount of drug that'll be needed to achieve the same effect is increased when the substrate concentration increases".
Therefore, the correct option is A.
What 3 characteristics does an object have to have in order to be considered a planet
Answer:
a planet must do three things: It must orbit a star(sun) It must be big enough to have enough gravity to force it into a spherical shape. It must be big enough that its gravity cleared away any other objects of a similar size near its orbit around the Sun.
You observe a tissue under a microscope. There appears to be a lumen on one side of the issue. Lining this lumen is a single layer of epithelial cells that seem to have long, fingerlike projections Beneath the projections, the cells seem to have the shape of shoeboxes and are packed tightly together. What type of tissue are you looking at? A. stratified squamous epithelium B. simple columnar epithelium C. simple cuboidal epithelium D. transitional epithelium
Answer:
D. Transitional epithelium
Explanation:
Que sucedería con la especie humana si debido a una futura mutación genética sus células no pudieran realizar los procesos de mitosis y meiosis
Answer:
la vida no podría continuar sin los procesos de división celular
Explanation:
La mitosis es el proceso de división celular mediante el cual se producen dos células idénticas a partir de una sola célula. Durante la mitosis la célula crece y duplica la cantidad de ADN, con lo cual exactamente el mismo contenido de información genética es trasmitido a las sucesivas células que el proceso de mitosis va a dar origen. Por otra parte, la meiosis es un proceso celular en el cual se producen dos divisiones nucleares y citoplasmáticas (meiosis I y meiosis II) las cuales son precedidas por una fase de replicación del ADN. En la especie humana, la mitosis da lugar a células diploides (2n) con dos set completos de cromosomas homólogos, mientras que la meiosis da lugar a cuatro células haploides (n) llamadas gametos (el gameto masculino es el espermatozoide y el gameto femenino es el óvulo) las cuales contienen la mitad del número cromosómico al de la célula de origen. En organismos eucariotas pluricelulares tales como la especie humana, la función de la mitosis es producir más células somáticas (soma: cuerpo) con idéntico material genético, mientras que la función de la meiosis es producir células aptas para el proceso de reproducción, es decir, células con la mitad del material genético que se fusionarán para generar una célula diploide o zigoto a partir del cual y mediante sucesivas mitosis se desarrollará un organismo adulto.
The earth is considered to be in the Goldilocks zone.why?
I’m leaning more into c but I need help ASAP please...
crossing-over can occur during meiosis I in:
a. prophase I.
b. metaphase I.
c. anaphase I.
d. telophase I.
Answer:
b. metaphase l.
What part of the digestive system absorbs nutrients that our bodies need?
A. Mouth
B. small intestine
C. stomach
D. large intestine
Answer:
small intestine
.
is the correct answer
Answer:
B. small intestine
Explanation:
Small intestine absorbs the nutrients that our bodies need.
Which kinds of cells carry out cellular respiration?
a. Plant cells
b. animals cells
c. bacteria cells
d. all cells
pls help
Answer:
B
Explanation:
What happens during prophase?
answer:
During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. The chromatin coils and becomes increasingly compact, resulting in the formation of visible chromosomes. ... The replicated chromosomes have an X shape and are called sister chromatids
Explanation:
Answer:
Which statement best describes how Poe creates mood in the excerpt?
Poe uses rhyme to create an optimistic mood.
Poe uses rhyme to create a nostalgic mood.
Poe uses rhyme and onomatopoeia to create a rowdy mood.
Poe uses rhyme and onomatopoeia to create a boastful mood.Explanation:
What are valence electrons?
A. the atomic mass
B. the atomic number
C. all of the electrons in an atom
D. electrons in the outermost energy level
Answer: D
Explanation:
Answer:
D. electrons in the outermost energy level
Explanation:
an electron of an atom, located in the outermost shell (valence shell ) of the atom, that can be transferred to or shared with another atom.
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