20 POINTS!!! PLEASE DONT GUESS!!!!

Identify whether the statements apply to autotrophs, heterotrophs, or to both autotrophs and heterotrophs.

The answer is efferent division. The nervous system acts as an input-output system. The afferent nervous system conveys signals to the brain following a stimulus. After processing of the information, the brain sends out a signal in response. This response is carried by the efferent nerve to the requisite organ involved in the response.  

Final answer:

The motor division of the nervous system, part of the peripheral nervous system, sends motor commands to muscles and glands, divided into the somatic and autonomic nervous systems for controlling voluntary and involuntary actions.

Explanation:

The motor division of the nervous system carries motor commands to muscles and glands. This part of the nervous system is crucial for stimulating muscles to contract and glands to secrete hormones. It is part of the peripheral nervous system (PNS) and is further divided into two main systems: the somatic nervous system and the autonomic nervous system.

The somatic nervous system controls voluntary movements by acting on skeletal muscles, whereas the autonomic nervous system regulates involuntary activities, influencing glands, smooth muscles, and cardiac muscles. It includes further subdivisions like the sympathetic and parasympathetic systems, which are responsible for the body's fight-or-flight response and rest-and-digest activities, respectively.

Answer:

The ozone layers is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. he ozone layer is mainly found in the lower portion of the stratosphere from approximately 20 to 30 kilometres (12 to 19 mi) above Earth. It's purpose is to protect us from the sun's ultraviolet rays which I said in the first sentence.

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Among the properties used to identify minerals, we can mention the breaking tendency: cleavage or fracture.  The two minerals shown that exhibit fracture as a dominant form of breakage are quartz and olivine.

Many properties of minerals are used to identify them, such as color, density, hardness, among others. In this case, we are talking about their breaking tendency.

Minerals can cleave or fracture, which depends on how the sides separate and the formed angles.

A type of mineral breaks always in the same, and this is why the breaking tendency is useful to identify them.  

According to this information, we can analyze the images and look for the answer.

Let us take, for instance, the potassium feldspat option. It shows flat and regular planes. So this is not a fracture, but a cleavage.

On the other side, quartz and olivine, do not seem to show any regular breaking side. The shape of these minerals is not well-defined and does not show any breaking direction.

The two minerals shown that exhibit fracture as a dominant form of breakage are quartz and olivine.

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Mitosis is divided into several phases, including prophase, prometaphase, metaphase, anaphase and telophase. As the intermediary phase between prophase and metaphase, prometaphase is sometimes considered part of prophase. The disintegration of the nuclear membrane into tiny vesicles signals the end of prophase and the beginning of prometaphase. When the envelope breaks down, the mitotic spindle fibers gain access to the DNA of the cell. The fibers then attach to the chromosomes at their kinetochores and begin moving to polar opposites of the cell.

The nuclear membrane re-forms in the phase of cell division known as telophase, separating the genetic material from the rest of the cell.

The nuclear membrane re-forms during the telophase stage of cell division. In this phase, the chromatin that had condensed into chromosomes begins to relax and the nuclear envelope forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm. This maintains a barrier that regulates the flow of substances into and out of the nucleus. Thus, option C: Telophase is the correct choice.

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Answer:

It's true

Explanation:

Radiosondes are used to measure temperature, pressure and humidity at heights above 30 km. They can also be used to determine the wind at heights. There are other radiosondes used to measure the sun's radiation, ozone distribution, air conductivity, etc. They are mainly used for research. Its units are hectopascal, degrees Celsius, etc.

Answer: c. the complete loss of plant life in the area occupied by the surface mine.

Open pit mining is a mining process that involves mining of earth surface, instead of underground layers. It is also, known as strip mining. It is done to extract ore and fossil fuels from the surface of earth. An open pit mining removes the subsurface soil along with vegetation growing on that surface.The mining site exhibits the mining pits, the soil in these pits changes constantly due to erosion. The soil looses it's fertility. This converts the mining site into a barren land.

Therefore, the complete loss of plant life in the area occupied by the surface mine is the most likely consequences of open pit mining on plant life.

Answer:

The correct answer will be- T A G C A T.

Explanation:

The mRNA is the messenger molecule formed by the process of transcription from the anti-sense DNA strand as a template.

The mRNA usually contains code for the synthesis of proteins but can also synthesize the DNA by the process of reverse transcription. The complementary nucleotide will bind according to the Chargaff rule which states that A will bind T or U and G will bind C.

So, if mRNA strand is- A U C G U A

   DNA strand will be- T A G C A T.

Blood donations to the Red Cross are considered public goods, which are products or services provided for the entire society's benefit. Such public goods are usually offered by governments or non-profit organizations.

Blood donations to the Red Cross are considered public goods. The term refers to products or services that are provided for the benefit of all members of a society. Public goods are usually provided by the government or non-profit organizations such as the Red Cross. When an individual donates blood, that blood is available for anyone who needs it, regardless of whether they have also donated blood. Hence it's a public good - a valuable product that serves the common interest.

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Answer: Uterus.

Explanation:

The male and female gamete fuse together to produce gamete and the produced gamete is implanted in the uterus.

The growing fetus gets all the nutrition here for the growth of the fetus. The zygote gets attached to the uterine walls and stays there for development.

The growing fetus is delivered after nine moths and they stay in the womb for approximately 9 months.

The answer sensory (afferent) division. The nerves are sensory because they perceive sensory stimuli, in this case, temperatures. Additionally, afferent nerves carry impulses to the Central Nervous System while efferent nerves carry impulse to muscles and glands in response to information brought in by afferent nerves.

Answer:

The correct answer is evidence of deep sleep (stage 4).

Explanation:

Sleepwalking or somnambulism is the condition found most commonly in the children between the ages 6 and 12. Though it is usually a harmless condition, however, spontaneous occurrences should be helped out with the help of a physician.  

In the condition, the person goes from deep sleep to light drowsiness in a general sleep pattern. The individual generally encounters with few rounds of REM and non-REM sleep, or brisk movement of the eye.  

The ends of the water molecule have opposite electrical charges.

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The ends of the water molecule have opposite electrical charges...

A star's spectrum lines help to detect the various important studies related to the spectral lines of the stars. The temperature, composition and density of the star will help the astronomer.

The major gases that are found in stars are hydrogen and helium which undergoes various reactions in order to produce energy and these energetic reactions are helpful in  stars twinkling.

The spectral lines is also helpful in diagnosing the magnetic field of the star where the temperature of the star in which it is present will also be shown by the spectral lines and the density of the star that is the volume present in the star is also shown by the spectral lines.

Therefore the major of 3 things that will be diagnosed with the help of the spectral lines are magnetic field, temperature and density of the star atmosphere.

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rock fossils history of life

Answer:

Option A

Explanation:

The rock fossils depict the history of life because they consist of several deposits of old age fossil in different layers of rock strata. The layer of rock strata which lies at the bottom of any rock deposits is the oldest layer. By examining this oldest layer one can determine the prevailing atmospheric condition at the time of its formation. Also, examining the remains of fossil can help us to understand the forms of life existing during that time.  

In this way all the layer of rock strata can be examined one by one from bottom (oldest) to top (youngest). This shall also allow us to understand the pattern of evolution of biological species with time.  

Hence, option A is correct

the size of the bike makes it a lot harder to see and due to there being little to no protection

Motorcycle crash injuries and fatalities are mostly caused by the riders' lack of protection and susceptibility when compared to the occupants of enclosed vehicles.

Thus, riders on motorcycles have little physical protection, making them vulnerable to direct impact and even ejection following a crash. The possibility of suffering serious injuries rises in the absence of safety equipment like seat belts, airbags, and a protective vehicle frame.

The visibility of motorbikes on the road also makes accidents with other cars more likely. Motorcycles' rapid speeds can play a role in collisions brought on by driving too fast, being careless, or losing control. Motorcycle incidents are more likely to cause significant injuries and fatalities.

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Final answer:

Latoria has most likely damaged her cerebellum, which is responsible for balance, coordination, movement, and motor skills. The correct answer is option C, "cerebellum."

Explanation:

Latoria is horseback riding when she falls and hits her head, and afterward has difficulty performing finely coordinated movements. Given these symptoms, Latoria has most likely damaged her cerebellum. The cerebellum is the part of the brain responsible for controlling balance, coordination, movement, and motor skills. It receives messages from muscles, tendons, joints, and structures in our ear to manage these functions. The cerebellum can make necessary changes to motor commands, as seen when a person adapts their walking movement in water. When the cerebellum does not work properly due to damage or the effects of alcohol, coordination and balance are significantly impaired.

Answer:

Explanation:

Organelles present in plant cells and not in animal cells are:

Plastids (chloroplast, chromoplast and leucoplast)

Central vacuole (for storage)

Glyoxysome (present in seeds)

At the back of the throat is where the palatine tonsils are located. One of the tonsils is on the right side of the throat while the other tonsil is on the left side of the throat. The major roles of the these tonsils is to protect the body against gastrointestinal and respiratory infections.

Answer:

1. The correct answer would be oxygen.

Oxygen is used as the terminal electron acceptor in cellular respiration. It results in the production of water (byproduct) from oxygen.

2. The correct answer is the third option, that is, Cellular respiration produces more ATP molecules than fermentation.

Fermentation takes place in absence of oxygen which results in the production of lactic acid (or ethanol). In absence of oxygen, glucose does not break down completely due to which less number of ATP is produced.

Fermentation only produces 2 ATP molecules per glucose molecule. In comparison, cellular respiration produces 36-38 ATP per glucose molecule.

3. The correct answer is option third.

The light energy is used to phtolysis of water which releases oxygen and high energy electrons. These electrons are then used to produce NADPH and ATP. These NADPH and ATP are then used in dark phase to fix carbon into glucose.