2 eroding of land by wind
4 overusing land
3 plowing land without replanting
2 eroding of land by wind
3 plowing land without replanting
4 overusing land
The topsoil is the upper and outermost layer of the soil. It exhibit high amount of organic matter and the microorganisms remain active in the layer. It is composed of mineral particles, water, organic matter and air. It is fertile in nature and can support plant growth.
The erosion of land by wind: The soil erosion can occur due to agents like wind and water. These agents displace the top layer of soil and the components are deposited to other places.
Plowing land without replanting: Plowing is an agricultural practice in which the compact and tight soil is improved by turning up using a tool. It is done before sowing of seeds. Plowing can result in the soil erosion by wind as the loose soil can be easily blown up by wind.
Overusing land: The land can be overused in agricultural practice and mining. These practices can remove the topsoil layer.
How long after crocodile mating are the eggs laid?
Crocodiles normally take 3 or 4 weeks to develop their eggs after mating. After laying the eggs, it'll take them 3 months more or less to hatch.
Hope it helped,
BioTeacher101
around 80 days
The eggs have an incubation period of around 80 days. The rate of development is strongly influenced by temperature. The warmer it is the faster they grow! After two to three weeks the temperature of the nest determines the sex of the embryo
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What is runoff and how is it related to erosion?
Where dose deposition form in the atmosphere
Which of the following describes a factor that would limit the carrying capacity of a population within a particular ecosystem?
Answer:
the ecosystem cannot recycle the remains of dead organisms.
Explanation:A limiting factor is anything that restricts the growth of populations in an ecosystem. When dead organisms decompose, nutrients from their bodies return to the soil
What is the total numbet of atoms in Oxygen?
P.S. is the table above right?
The molecule of Oxygen has 2 Oxygen atoms.
Please correct any mistakes in my answer..Glad to help ya! :)
Are viruses alive? The scientific debate continues. Viruses exhibit some characteristics of life, but others are missing.
The MOST obvious reason why scientists still refer to viruses as non-living is that they
A) do not change over time.
B) do not contain any genetic material.
C) are much smaller than anything alive.
D) are not composed of one or more cells.
Answer:
D) are not composed of one or more cells
Explanation:
Viruses are considered as non-living things because viruses can be obtained in crystals and do not change over time. It is a non-living property. They remained as it is for a long time but can replicate using energy of the host. Therefore, they are non-living outside a host cell. They are made of nucleic acid and protein. They do not made of cell or cells.
The mining of oil shale requires ____.
A) semi-arid conditions
B) hot metal-rich fluids
C) Pressurized steam
D) large amounts of water
the answer is D Large amounts of water
The mining of oil shale requires large amounts of water. Correct answer is D).
Explanation:The mining of oil shale requires large amounts of water. Oil shale is a sedimentary rock that contains a significant amount of kerogen, a precursor to oil. In order to extract oil from oil shale, a process called retorting is used, which involves heating the rock to release the oil. Water is needed to cool the retorted oil shale and to separate the oil from the rock.
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Predator-prey relationships DECREASE
Competition DECREASE
Toxins BOTH
New habitat BOTH
Disasters DECREASE
Increased food source INCREASE
Answer:
thx
Explanation:
When did the universe start according to the Big Bang theory
Our universe was created about 13.7 billion years ago
according to the big bang theory.
what indicates to a muscle that it should contract
when (Blank) travels through the space it is called radiation
Radiation occurs when energy moves through space, such as heat or light from the sun. There are multiple types of radiation, but all involve energy travelling away from a source.
Explanation:When energy travels through space, it is known as radiation. There are different types of radiation, but they all involve forms of energy moving through space. For instance, light and heat from the sun travel through the vacuum of space to reach the earth. This is an example of electromagnetic radiation. Other forms include alpha, beta, and gamma radiation. These all entail particles or waves moving away from a source and travelling through space.
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Volcanoes impact both the air and land of the surrounding environment. Please select the best answer from the choices provided T F
Doing an assignment need some help
answer would be A I believe. Im not 100% sure though.
organisms need to maintain homeostasis, or stable internal conditions. Why is homeostasis important for the function of enzymes
Maintaining homeostasis is important for the function of enzymes because enzymes are sensitive to changes in factors such as temperature and pH. Homeostasis ensures that these factors remain within optimal ranges for enzyme activity, allowing them to function properly.
Explanation:Enzymes are critical to the body's healthy functioning as they assist with the breakdown of food and its conversion to energy. Maintaining homeostasis is important for the function of enzymes because enzymes are sensitive to changes in factors such as temperature and pH. Homeostasis ensures that these factors remain within optimal ranges for enzyme activity, allowing them to function properly.
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Which statement best describes the difference between the sympathetic and parasympathetic nervous system
Answer:
The Statements Are:
A). The sympathetic system sends signals within the brain and the parasympathetic system sends signals between the brain and the body.
B). The sympathetic system controls voluntary body movements and the parasympathetic system controls involuntary functions.
C). The sympathetic system contains the brain and spinal cord and the parasympathetic system contains the peripheral nerves.
D). The sympathetic system prepares the body for stress and activity and the parasympathetic system prepares the body for rest.
Explanation:
He discovered that all cell walls by examining cork & help further our understanding of cell structure.
Robert Hooke
-Hope this helps!
What factors affect population size
Abundant resources
Food availability
Climate
Accesibility
Good soil
Good spots for housing
A mutation occurs that prevents a cell from taking in the glucose that it needs for energy production. What most likely to happen?
The cell will die. Because if the cell can not take the glucose and it can not get energy from it. So the activities that can support the normal life of the cell will not continue.
Which statement is most likely to be true, based on the drawings below? Two skulls A. Species A had more massive jaw muscles than species B. B. Species A walked more upright than species B. C. Species A was more capable of speech than species B. D. Species A was more similar to modern humans than species B.
The correct answer is: A. Species A had more massive jaw muscles than species.
Massive jaw muscles are correlated to more primitive diet. It is believed that shrinking jaw muscles is part of the evolution. It is the way for making the space for a bigger brain.
Answer:
The correct answer is: A. Species A had more massive jaw muscles than species.
I hopes this helps
Explanation:
40 POINTS! DON'T GUESS! Millions of years ago, the Indian plate began pushing gradually towards the Eurasian plate. The land above started rising in various patterns. Which physical feature most likely resulted from such a motion?
This is probably a mountain. It was caused by the crust moving together. When one tectonic plate moves beneath another at a plate boundary the plate boundary it is called is Convergent boundaries. So mountains form at convergent boundaries.
Folded mountain with waves, twists, and turns
Its actually beautiful there!
The Himalayas is the physical feature resulting from the collision between the Indian and Eurasian tectonic plates. This ongoing process causes the rise of the mountains and frequent seismic activity in the region.
Explanation:The physical feature that most likely resulted from the motion of the Indian plate pushing towards the Eurasian plate millions of years ago is the Himalayas. This massive mountain range was formed by the collision of the two tectonic plates, a process that continues to this day. As the plates collide, the land above is pushed upward, forming the mountain ranges we see. The continued pressure not only results in the elevation increase of the Himalayas by one to five millimeters per year but also makes the region seismically active, leading to frequent earthquakes and tremors.
The creation of the Himalayas and other mountain ranges such as the Tibetan Plateau is a prime example of the dynamic nature of Earth's crust caused by plate tectonics. This geologic activity reflects the constant motion of tectonic plates and the associated heat transfer process that helps cool the Earth's interior.
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Does studying fossils show us that life, environments, or both of these change over time?
A.
Studying fossils shows us that only life changes over time.
B.
Studying fossils shows us that only environments change over time.
C.
Studying fossils shows us that both life and environments change over time.
Well, I know logically that both life and environment change over time. So I think the answer would be C, studying fossils shows us that both life and environments change over time. Hope this helps.
Fossils can only be formed when?
Fossils can only be formed when mud, silt or tar is in the area to preserve the fossil, If erosion does not occur and allows the fossil to form, and Oxygen and microorganisms cannot decay the bones.
The state of matter that exists only at extremely low temp is called Bose Einstein
The state of matter that exists only at extremely low temp is called Bose Einstein condensate
In the carbon cycle, carbon is taken in by plants A) as ammonia in the process of assimilation B) as carbon dioxide in the process of decomposition C) as carbon dioxide in the process of photosynthesis D) as water vapor in the process of photosynthesis
A gardener cut a branch from a shrub and planted it in a small pot where it grew into a new shrub this method of growing a new shrub is a type of
This method of growing a new shrub is a type of asexual reproduction by fragmentation
Fragmentation is a type of asexual reproduction in which the parent organism is separated into many fragments, and each fragments will develop into complete matured individuals that are identical to the parent. Some animals and plants such as shrubs, ferns reproduce by fragmentation.
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A hydra is an aquatic organism that lives in fresh water. During reproduction an outgrowth begins to form on the parent. The outgrowth continues to develop into the daughter organism and eventually breaks off of the parent. Which type of reproduction does this represent?
A.
binary fission
B.
regeneration
C.
budding
D.
vegetative propagation
C is the correct answer
The right answer is C
Gemmiparity (or budding) is a type of asexual or vegetative multiplication, in which a bud develops which then separates before evolving into a complete individual. The new organism is a clone that has the same genome. Buds, also called sprouts, may include a rough outline of all the parent's tissue, or only some of them.
Imagine that you are buying books one by one and then piling them up after reading them. Which geologic concept could you use to identify the topmost book as the newest?
A.
principle of inclusion
B.
principle of lateral continuity
C.
law of superposition
D.
principle of unconformities
Answer: Law of superposition.
Explanation: The law of superposition is an axiom that can be used as the basis of geology and archaeology.
This is a form of relative dating which can be used to determine the age of the rock. It states that the oldest layer will be at the bottom of the sequence and the newest layer formed will be at the top of the sequence.
Buying books and piling the books after reading them shows the law of superposition.
When coral animals die, their skeletons fall to the sea floor. true or false
Answer:false]\\
Explanation:
What is the role of acetyl-CoA? Where does it fit into the Krebs cycle?
acetyl CoA: Acetyl coenzyme A or acetyl-CoA is an important molecule in metabolism, used in many biochemical reactions. Its main function is to convey the carbon atoms within the acetyl group to the citric acid cycle (Krebs cycle) to be oxidized for energy production.
Acetyl-CoA plays a key role in the Krebs cycle where it delivers the acetyl group for further metabolism. It is produced from the three-carbon pyruvate molecule and enters the Krebs cycle by combining with oxaloacetate to form citrate.
Explanation:Acetyl-CoA is a crucial molecule involved in many biochemical pathways in cellular organisms where it plays a key role in delivering the acetyl group to the citric acid cycle (Krebs cycle) for further catabolism.
The three-carbon pyruvate molecule generated during glycolysis is converted into a two-carbon acetyl coenzyme A (acetyl CoA) molecule by the enzyme pyruvate dehydrogenase. This transformation releases carbon dioxide and transfers two electrons that combine with NAD* to form NADH.
Acetyl CoA then enters the Krebs cycle by binding to a four-carbon molecule oxaloacetate to form a six-carbon molecule citrate or citric acid. In the process the coenzyme A molecule is simultaneously released.
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