Answer:...........
__________ is a bacterium that lives in our digestive systems, where it has a beneficial role; but it becomes dangerous when our food or water is contaminated with feces. sciemce
One method of lessening the environmental impact of strip mining is to -
Final answer:
To reduce the environmental impact of strip mining, land can be reclaimed for various uses, waste products utilized to create new materials, and bioremediation can neutralize contaminated water. In addition, promoting alternative practices such as minimal tillage can limit further damage.
Explanation:
One method of lessening the environmental impact of strip mining is to reclaim and repurpose the land after mining operations have ceased. Mining often leaves behind vast areas of disturbed land; however, such land can be rehabilitated and transformed into beneficial uses such as airports, landfills, and golf courses. Furthermore, the waste produced from mining operations, such as synthetic gypsum from scrubbers, can be utilized to make products like cement and wallboard, instead of being discarded as waste. This approach not only reduces the amount of waste sent to landfills but also conserves natural resources.
Beyond land reclamation, introducing bioremediation methods is also crucial. The use of bacteria to neutralize acidic water and detoxify chemical by-products from acid mining is an example of using natural processes to restore the habitat, making it suitable for animals and plants. Actions like these help to prevent pollution, save energy, and increase economic security by relying on domestic sources of reclaimed materials.
Lastly, policymakers and activists advocate for alternative mining practices, such as minimal tillage, which can reduce environmental damage while still fulfilling economic needs. Combination of such practices with reforestation and habitat restoration can further stabilize ecosystems and help in recovery of biodiversity.
Sperm whales, a(n) species, maintain their populations close to carrying capacity.
r-selected
k-selected
After filtering by the nephron, where does the cleaned blood go
Answer: renal vein
Urine passes thru large channels called (ducts) which drain into the renal pelvis or (inner part of the kidney). Next, the urine passes thru a ureter then afterward goes from each kidney to the bladder. Urine is then stored in the bladder while the “cleaned' (filtered) blood” from each kidney go into a large blood vessel called the renal vein. This vein gets the blood back to the heart.
Answer:
renal vein
Explanation:
apex
The riskiest sexual activity in terms of contracting hiv is
_____may have evolved from aerobic bacteria and ____ may have evolved from photosynthetic cyanobacteria engulfed by a predatory cell.
Which of these species is most closely related to Felis rufus?
The cougar is most closely related to Felis rufus, or the red fox.
Explanation:According to the phylogenetic tree, the cougar is most closely related to Felis rufus, or the red fox.
As you reach for a rose, you unexpectedly feel the painful poke of a thorn. you quickly withdraw your hand. which part of this process is accomplished mainly by the central nervous system?
Hyenas and lions have fierce battles over food. Which type of relationship does this describe?
Competition is the type of relationship that describes the condition between Hyenas and lions.
What do you mean by Species interaction?Species interaction may be defined as the population of one species that may interact with the population of other species that live in the same locality.
When the members of two different species are fighting for the same resource. The relationship between them is competition.
Therefore, competition is the type of relationship that describes the condition between Hyenas and lions.
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mickey, who describes himself as heterosexual, frequently drinks to intoxication and has been an intravenous methamphetamine user for years. after mickey developed a high fever and vomiting, his doctor diagnosed mickey with hepatitis
c. mickey most likely contracted hepatitis through . . .
Mickey likely contracted Hepatitis C through his intravenous drug use, as the disease is often transmitted through blood-to-blood contact, such as sharing needles.
Explanation:Mickey, diagnosed with Hepatitis C, likely contracted the disease through his intravenous drug use. Hepatitis C is often transmitted through blood-to-blood contact, and sharing needles, as is common among intravenous drug users, is a well-established risk factor. Even microscopic amounts of methamphetamine used during these sessions can contain the blood of an infected person, which can lead to transmission of the virus to Mickey.
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Plants inherit genes that enable them to produce chlorophyll, but this pigment is not produced unless the plants are exposed to light. this is an example of how the environment can
The correct answer is option 2. The scenario described, where plants have the genetic capability to produce chlorophyll but only do so when exposed to light, is an example of how the environment can influence the expression of a genetic trait.
Environmental factors, such as light exposure, can regulate the expression of genes responsible for producing chlorophyll, demonstrating that the environment plays a crucial role in the manifestation of genetic traits.
Why other options are not correct:
Option 1 is incorrect because mutations are changes in the DNA sequence. The scenario describes the activation of an existing gene by an environmental factor (light), not a change in the DNA sequence itself.
Option 3 is incorrect because the production of chlorophyll in response to light exposure does not lead to the formation of a new species. Speciation is a much more complex process involving genetic divergence and reproductive isolation over many generations.
Option 4 is incorrect because the scenario given does not compare different plant species or their reactions to light. It simply explains how light exposure affects the production of chlorophyll in plants in general.
The complete question is:
Plants inherit genes that enable them to produce chlorophyll, but this pigment is not produced unless the plants are exposed to light. This is an example of how the environment can
(1) cause mutations to occur.
(2) influence the expression of a genetic trait.
(3) result in the appearance of a new species.
(4) affect one plant species, but not another.
The protein agtr1 (angiotensin ii receptor 1), encoded by gene agtr1, allows for binding of angiotensin ii, which generates diacylglycerol, and in turn activates protein kinase c [
Smoke form forest fires is most likely to affect air quality over larger areas for many days when ...
Forest fire smoke affects large area air quality over many days when favorable wind conditions are present, there are larger fires, and the burning is persistent.
Explanation:Smoke from forest fires is most likely to affect air quality over larger areas for many days when there are favorable wind conditions, larger fires, and persistent burning. Favorable wind conditions help to disperse the smoke satisfactorily over a vast area, maintaining its presence in the atmosphere for a longer duration. The larger the fire, the more smoke is produced, leading to a more significant impact on air quality over an extensive area. Lastly, persistent burning causes continued production of smoke, hence more extended periods of polluted air.
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Hemoglobin is the iron-containing compound that carries oxygen in the bloodstream?
True. Hemoglobin is the iron-containing compound that carries oxygen in the bloodstream.
What is Hemoglobin?Hemoglobin is an iron-containing protein found in red blood cells that plays a crucial role in transporting oxygen from the lungs to the various tissues and organs of the body.
It binds to oxygen in the lungs, where oxygen concentration is high, and releases it in tissues with lower oxygen levels.
This process is essential for the delivery of oxygen to cells and the removal of carbon dioxide, a waste product of cellular respiration, from the tissues.
Hemoglobin's ability to bind and release oxygen is facilitated by its iron component, which can reversibly bind to oxygen molecules.
Thus, Hemoglobin is the iron-containing compound that carries oxygen in the bloodstream.
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What term is given to the actual name of a color?
How do animals in the desert defend themselves from predators?
Answer:
anything with there claws
Explanation:
What kind of sensory adaptation would you hypothesize the cave fish has to allow it to navigate in a cave, including catching and eating food.
The kind of sensory adaptation that the cave fish would have is :
Presence of sense organs on the surface of the cave fishSense organs
The presence of sense organs on the surface of the cave fish will allow the fish detect the presence of prey in the water and also the presence of different chemicals in the water as well.
Navigating through the cave is aided by the pair of eyes also present on the surface of the fish head.
Hence we can conclude that the e kind of sensory adaptation that the cave fish would have is : Presence of sense organs on the surface of the cave fish
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The distribution of terrestrial biomes on earth depends mostly on ________.
The distribution of terrestrial biomes on Earth depends on abiotic factors such as temperature and precipitation.
Explanation:The distribution of terrestrial biomes on Earth depends mostly on abiotic factors such as temperature and precipitation. These factors determine the types of plants and animals that can survive in different regions. For example, tropical wet forests thrive in warm, moist environments, while deserts have low biodiversity due to extreme temperatures and lack of water.
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There can be advantages to using fossil fuels. What is one advantage?
A)Fossil fuels are a nonrenewable source of energy, because they are primarily made from the remains of ancient plant and life matter.
B)Fossil fuels are inexpensive and readily available with existing equipment. C)The burning of fossil fuels releases carbon dioxide in the environment, contributing to climate change.
D)The burning of fossil fuels releases harmful chemicals into the environment.
Answer: B)Fossil fuels are inexpensive and readily available with existing equipment.
Explanation:
The fossil fuels are the fuels that are produced inside the heap of the earth crust. These are produced as a result of the geological and biological processes occurring under the surface of earth. These includes the hydrocarbons such as coal, crude oil, natural gas which are formed from the dead remains of the plants and animals.
These fuels are the non-renewable source of energy and these produce large amount of carbon dioxide on burning, this can lead to global warming.
The main advantage associated with these fuels is that they are inexpensive because of the appreciable volume of availability in some regions of the world.
Describe why the lymphatic system is often compared to the cardiovascular system. discuss differences and simialatities.
Which two systems provides the molecules needed for the metabolic activity that takes place at ribosomes?
Final answer:
Ribosomes in cells require specific molecules like tRNA and mRNA for metabolic activities.
Explanation:
Ribosomes are the cellular structures responsible for protein synthesis in living cells. They consist of large and small subunits composed of ribosomal RNA (rRNA) and proteins. The molecules needed for the metabolic activity at ribosomes are transfer RNA (tRNA) and messenger RNA (mRNA), along with various enzymatic factors that contribute to the translation process.
false or deliberately inaccurate information
(2 words, 8 letters)
The cells that make up a human body need oxygen at all times. During periods of exercise and activity, the amount of oxygen needed increases. To meet this increased need, the number of breaths per minute during exercise can be sharply higher than the number of breaths per minute while at rest. Which term BEST describes the process by which cells work together to maintain the needed level of oxygen?
A) homeostasis
B) metabolism
C) osmosis
D) respiration
A unique trait that is used to construct a cladogram showing relationships between organisms is called a
In several neurological diseases, axons lose their insulating myelin sheath. what is the consequence of this loss
Which procedure is performed to affix sagging breasts in a more elevated position??
Final answer:
A breast lift, also known as mastopexy, is performed to affix sagging breasts in a more elevated position. It involves removing excess skin and reshaping the breast tissue to achieve a more youthful and uplifted appearance.
Explanation:
The procedure performed to affix sagging breasts in a more elevated position is called a breast lift, also known as mastopexy. This is a surgical procedure that involves removing excess skin and reshaping the breast tissue to achieve a more youthful and uplifted appearance.
During a breast lift, the surgeon will make incisions usually around the areola and may extend vertically and horizontally depending on the amount of sagging. The breast tissue is then lifted and reshaped, and any excess skin is removed. The nipples and areolas are repositioned to a higher position on the breast.
It's important to note that a breast lift does not significantly change the size of the breasts or provide a fuller appearance. If a patient desires both a lift and an increase in breast size, a breast augmentation with implants may be recommended.
In most cases, cardiopulmonary arrest in infants and children is caused by: select one:
a. a drug overdose.
b. a cardiac dysrhythmia.
c. severe chest trauma.
d. respiratory arrest.
What has led scientists to believe that echinoderms are more closely related to humans and other vertebrates than to cnidarians?
Final answer:
Echinoderms are more closely related to humans and other vertebrates than to cnidarians because both are deuterostomes, a group determined by specific embryonic development patterns and characterized by having a sophisticated endoskeleton.
Explanation:
Scientists believe that echinoderms are more closely related to humans and other vertebrates than to cnidarians because both echinoderms and chordates (the phylum that includes humans) are classified as deuterostomes. This is a significant classification that is determined by the pattern of embryonic development, where in deuterostomes, the anus develops from the first opening in the embryo (the blastopore), and the mouth forms secondarily. In contrast, protostomes develop the mouth from the blastopore. The shared deuterostome development pattern is just one of the reasons echinoderms and vertebrates are considered more closely related. Additionally, echinoderms possess an endoskeleton made up of calcareous ossicles covered by the epidermis, which is conceptually similar to the vertebral endoskeleton of humans and other vertebrates, further supporting the close phylogenetic relationship between the two groups.
Why did the number of americans receiving food stamps rise after 2008?
What is the process called when embryonic cartilage is replaced by bone cells?