why is proper agricultural management and distribution of food necessary
Answer:
Explanation:
Agriculture solely is responsible for the source of food, shelter and clothing in our modern world. It has been so since pre-historic times. The role in which agriculture plays has further been expanded to capture newer dimensions.
Proper agricultural management and distribution of food helps to alleviate the problem of food shortages in societies today. Most growing communities are located in hinterlands due to the availability of land for farm practices. If produce fails to reach the buying and dependent communities, there would be acute food shortage. To the farmers, they will incur loss through spoilage of produces.
Proper management bridge this gap.
How is the phosphorus cycle different from the oxygen, nitrogen, and carbon cycles? a. It occurs at the fastest rate. b. It is not essential to life. c. It does not occur naturally. d. It does not involve the atmosphere.
actually the answer is D. I put a and got it wrong then it showed me the answer.
Answer:the answ is d
Explanation:
Which is the first step in the life cycle of a plant that reproduces sexually?
Answer:
A sperm cell fertilizes an egg cell.
what is the layer of rocks and moon dust called
A. craters
B. Terrae
C. Maria
D. regolith
Which type of ocean water would contain more dissolved oxygen?
what is the correct term for the process by which plants absorb nitrogen?
water droplets forming on the inside of a cold windshield is an example of
The forming of water droplets on the inside of a cold windshield is an example of condensation. This process happens when warm, moist air comes into contact with a cold surface and the water vapor in the air transforms into liquid water droplets.
Explanation:Water droplets forming on the inside of a cold windshield is an example of the physical process of condensation. This occurs when water vapor present in the air comes into contact with a surface that is colder than the air's dew point temperature. The warm, moist air inside the vehicle is cooled when it contacts the cold windshield, causing the water vapor in the air to transform into liquid droplets.
As another example, condensation can be seen when a glass filled with a cold beverage gets covered with water droplets. The cold glass cools the surrounding air, and if the cooled air can no longer hold all of its vapor as a gas, the excess turns into visible droplets of water on the outside of the glass. In essence, condensation is the process by which water vapor in the air is cooled enough to form liquid water.
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Does water move in or out of cell during hypotonic and hypertonic solutions?
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A person's thyroid is not functioning properly. What symptoms is the person likely to show?
Answer:
The thyroid gland is a butterfly-shaped structure in the neck's middle. It creates a hormone that regulates the rate of one's metabolism. When a person's thyroid isn't functioning properly, he or she is more likely to have the following symptoms: Weight gain or loss, neck swelling, heart rate fluctuations, mood swings, hair loss, and a feeling of being too cold or hot Dry skin, brittle nails, numbness in the hands, constipation, and irregular menstrual periods are all symptoms of hypothyroidism. Muscle weakness, eyesight issues, diarrhea, and irregular menstrual periods are all symptoms of hyperthyroidism.
Explanation:
From which of the following layers of the sun is light energy radiated into space?
The period of time imprinting occurs is the
A. Fear period
B. Training period
C. Sensitive period
D. Socialization period
The time period during which imprinting occurs is the 'sensitive period'. It is a specific time right after birth or hatching where an animal learns to recognize its own species. This behavior often affects their behaviors later in life.
Explanation:The period of time during which imprinting occurs is the sensitive period. Imprinting is a rapid form of learning that occurs in a specific time period, usually soon after birth or hatching, which enables an animal to recognize its own species. It often determines behaviors later in life. The concept of the 'sensitive period' in imprinting was proposed by ethologist Konrad Lorenz. He showed that the rapid learning process happens in a limited, very specific period of time, making imprinting a phenomenon of the sensitive period.
To differentiate between options, a fear period is a time of particular sensitivity to fear stimuli, often seen in young animals. The training period is rather a human-defined concept for when learning might be most effective, and the socialization period refers to the period when social skills and behaviors are learned, but those are not exclusive to imprinting.
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if meiosis did not occur during the formation of gametes, sexual reproduction would result in
Answer:
the chromosome number would double with every generation.
Explanation:
The formation of haploid gametes occurs through a process of cell division called meiosis, which occurs in two consecutive stages called meiosis I and meiosis II.
Meiosis I is also called the reductive phase (R!), Because a diploid cell (2n) will give rise to two haploid cells (n).
In meiosis II, the two haploid cells (n) formed during the first stage (meiosis I) continue the division, giving rise, each one, to two more haploid cells (n) which will, at the end of the 2 stages, a total of four haploid cells (n). Meiosis II is called equational division (E!), Because dividing cells form daughter cells with the same number of chromosomes.
In short, if meiosis did not occur during gamete formation, there would be no reduction in chromosomes, the result of which would be that the number of chromosomes would double with each generation.
Without meiosis, sexual reproduction would produce offspring with a doubled chromosomal content every generation and lead to potentially harmful mutations and reduced genetic diversity. Meiosis ensures each gamete carries the correct number of chromosomes and enhances genetic diversity, vital for species' adaptability.
Explanation:If meiosis did not occur during the formation of gametes, sexual reproduction would result in offspring with a doubling of genetic content over generations, potentially detrimental mutations, and reduced genetic diversity. This is because, during sexual reproduction, each parent contributes one set of chromosomes to their offspring. Meiosis plays a crucial role in halving the chromosomal number, ensuring that each gamete carries the correct number of chromosomes. Therefore, it is essential for maintaining the stability of species.
Without meiosis, gametes would be produced through mitosis. This means the offspring would inherit the full set of each parent's genes, resulting in a doubling of chromosomes every generation. Besides, the absence of crossover events and independent assortment during meiosis would lead to reduced genetic diversity. This is unfavorable as genetic diversity is essential for a species' adaptability to changing environments.
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Which of these was designed to study Saturn ?
A. Voyager 1, Hubble, and Cassini
B. Huygens, Voyager 1, and Hubble
C. Cassini, Hubble, and Huygens
D. Voyager 1, Huygens, and Cassini
WILL MARK BRAINLIEST
Ted’s assignment during science was to list in his science journal the four properties used to identify a mineral. Ted listed hardness, color, and texture. Ted was having trouble thinking of the last property. What property is Ted missing?
A) brightness
B) luster
C) Taste
D) weight
On most ocean shorelines, the water rises slowly and covers the land twice a day. Then it slowly falls back. What is this movement called?
Final answer:
The twice-daily movement of ocean waters, known as tides, is caused by the Moon's gravitational pull on Earth, leading to two high tides and two low tides each day due to the rotation of Earth through tidal bulges.
Explanation:
The movement of water rising slowly and covering the land twice a day, then falling back is called tides.
This phenomenon is caused by the Moon's gravitational pull on Earth, which varies in different locations.
Tides are significant as they demonstrate the dynamic nature of Earth's oceans, resulting from the gravitational forces exerted by the Moon and, to a lesser extent, the Sun.
These tidal forces create two tidal bulges on opposite sides of the Earth.
As the Earth rotates, any given point on the Earth's surface experiences these bulges, leading to two high tides and two low tides every day.
This movement is crucial for coastal marine ecosystems and affects human activities such as fishing and navigation.
What are the consequences of moving from underground mining to surface mining? (site 1)
Answer:
Air pollution.Landscape degradation.Explanation:
Mining the surface have specific consequences. Since that is at the surface, air is gonna contaminate rapidly because of all those factors that don't belong to that context. Also, the soil is gonna be damaged, because to do mining activities you have to dig, changing the structure and consistency of the surface.
Moving from underground mining to surface mining carries health and safety implications for miners, environmental impacts, and socio-economic consequences. The environmental effects include pollution and biodiversity loss while socio-economic challenges may arise due to increased investment and community response.
Explanation:Moving from underground mining to surface mining entails several significant consequences. First, it impacts the health and safety of miners. Underground mining entails working in very dangerous conditions, such as high temperatures, poor ventilation, and risks of explosions and cave-ins. Many miners in the past have either died or suffered severe injuries due to these conditions.
Environmental impact is another major consequence of shifting to surface mining. The extractive industries like mining can cause substantial environmental damage, causing potential harm to local communities and their livelihoods. Toxic chemicals can leach into soils, contaminating crops and water sources, and air pollution can increase due to the burning of fossil fuels. This can lead to climate change and reduction in biodiversity.
Surface mining also brings socio-economic challenges due to the increased investment required, leading to the emergence of bigger business-driven mining operations. This can lead to greater urban stability and infrastructure but may also provoke protests and demands for accountability from local communities.
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List some instruments that are used to collect weather data
The use of DDT as a pesticide is an example of how new technology can have favorable and dangerous long-term outcomes. How does this relate to the use of DNA technology
Based on Chargaff's rule, the percentage of cytosine in the DNA of the bacterium S. lutea in Figure 12-3 should be around what?
The answer is 36.6%, but I don't know why. What's the reason why the answer is 36.6%?
qualities of a mineral that classify it as ore
usefulness and profitability
EXPLANATION:Usefulness and profitability are the qualities of a mineral that classify it as an "ore".
This implies when the Geologist's who considered minerals, they characterized them. Its gauges in the grouping are intended to demonstrate components and metals that can productively be separated from a shake.
How does water flow on earth
The four main elements in food that help energy to move from One trophic level to another is
Answer:
Carbon, Hydrogen, Nitrogen, and oxygen
Explanation:
Trophic levels are the way ecology uses to organize the organisms that make up a food chain, where mass and energy transfer occurs between individuals or populations. The components of these chains can be simplistically divided into three broad groups: producers, consumers and decomposers. Foods that are involved in trophic levels have as their main elements carbon, hydrogen, nitrogen and oxygen. These elements are present at all trophic levels and are responsible for helping energy move from one trophic level to another.
A Rift Valley is associated with ?
when the net force of opposite force zero the forces are A)not even B)unequal C) unbalanced D)balanced
The answer is, B). Balanced
Answer:
d. balanced
Explanation:
When the net force of opposite forces is zero, the forces are balanced.
what process produces usable energy in cells
Final answer:
Cellular respiration is the biological process that converts glucose into ATP, the usable form of energy for cells, involving stages such as Glycolysis and the Krebs Cycle.
Explanation:
The process that produces usable energy in cells is known as cellular respiration. This biochemical process involves a series of chemical reactions that break down glucose molecules and convert the energy stored in their chemical bonds into a form that cells can use.
The most common energy currency that cells use for this purpose is ATP (adenosine triphosphate). Cellular respiration happens in multiple stages, including Glycolysis, the Transformation of Pyruvate, the Krebs Cycle, and Oxidative Phosphorylation.
Through these stages, glucose and oxygen are transformed into carbon dioxide and water, and ATP is produced. This metabolic pathway is essential for supplying energy for all cellular activities, from muscle contraction to active transport across cell membranes.
Which laboratory activity would most likely require the use of a fume hood
A polygenic trait is contributed by two or more genes one gene two alleles multiple alleles
Answer:
The correct answer would be two or more genes.
Explanation:
Polygenic traits are characters whose phenotypes are influenced by two or more genes. These traits are displayed in continuous distribution. These characters generally have two alleles of each gene but can have multiple alleles too.
Height is also a polygenic trait in humans. Humans can be of different sizes. It is controlled by three genes and six alleles. Eye color, skin color and other traits also polygenic traits in humans.
Thus, the correct answer would be two or more genes.
What might be the correlation between the clarity of the lake water and the occurrence of the full body plate trait?
Answer:
The clearer the water, the less threatened it is with the full body plate fish.
Explanation:
The correlation between the clarity of the water and the occurrence of the full body plate trait, is that the clarity of the water determines how much of the full bady plate fish will exist in that environment.
This is because the full body plates are dark colored, the less clear the lake water has, the easier it will be for these fish to survive because they will be able to camouflage themselves more easily. However, the greater the clarity of the water, the more affected the camouflage will be, causing a great threat to the existence of this fish.
Which of the following is accurate in describing the placement and classification of iodine?
A. Iodine is located in Period 5, Group 17 and is classified as a nonmetal.
B. Iodine is located in Period 7, Group 6 and is classified as a metal.
C. Iodine is located in Period 17, Group 5 and is classified as a nonmetal.
D. Iodine is located in Period 6, Group 7 and is classified as a metal.
Answer: The correct answer is Option A.
Explanation:
Iodine is the 53rd element of the periodic table. The number of electrons present in this element are 53.
The electronic configuration of this element = [tex][Kr]4d^{10}5s^25p^5[/tex]
As, the electrons are filled in the orbitals having n = 5. So, it is present in Period 5.
And, the number of valence electrons of this element is 7. So, it is present in Group 17.
Hence, the correct answer is Option A.
If the flowers contain 50,000 kcal of energy, about how much energy will the lizard obtain from eating the butterfly? 500 kcal 5,000 kcal 50,000 kcal 500,000 kcal
Answer:
5000 kal
Explanation:
The secondary consumer lizard, can store only 10% (500 kcal) of insects energy that is originally came from plant.
10% Rule:
In ecology the energy flow is decreasing as moving from one tropic level to another.
Here, the primary consumer insects, store only 10%(5000 kcal) of plant's energy.
Therefore, the secondary consumer lizard, can store only 10% (500 kcal) of insects energy that is originally came from plant.
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