ways to study the past climates of earth
Answer:
look it up or go to the library for books
Explanation:
Analyze Some species of cichlid fish hold their fertilized eggs inside their mouths until they hatch.
What might be the costs and benefits of this behavior?
Answer:
they dont get eaten by other fish
since she is holding them and not as many are getting eaten there will be a biggier chance of the population rising
Explanation:
Answer:
may starve
Explanation:
The eggs will remain inside the female's mouth until they hatch into fry. ... After the mating, the female will have a mouthful of fertilized eggs. ... This is important because she will not eat while holding the eggs in her mouth the sad thing is she may starve or she may die before she see's them hatch she does this to protect the eggs from the aggresive father
Earth's outer layer is made of many very large sections of hard, solid rock called plates. Are there gaps between the plates?
Answer:
yes like when earthquakes happen it makes a gap in the earth
Explanation:
Answer: yes
Explanation:
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Is cellular compartmentalization an advantage or a disadvantage?
Cellular compartmentalization is an advantageous feature of cells that allows for efficient functioning and regulation of cellular processes.
Explanation:Cellular compartmentalization is an advantage in biology. It refers to the organization of the different structures within a cell into distinct compartments called organelles. This allows for the efficient functioning of the cell by separating incompatible metabolic processes, creating specialized environments for specific functions, and enabling the coordination of complex cellular activities.
For example, the nucleus contains the genetic material and is separated from the cytoplasm, where protein synthesis occurs. This separation prevents the DNA from being damaged by the reactive molecules in the cytoplasm. Additionally, the mitochondria have their own membrane and internal structure, allowing them to carry out cellular respiration without interference from other organelles.
In summary, cellular compartmentalization is an advantageous feature of cells as it ensures the proper functioning and regulation of cellular processes.
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Pari operates a family restaurant. She and her team are developing a HACCP plan. As part of the plan, Pari's team decides to check temperature logs regularly and review corrective actions taken to evaluate whether they work. Which HACCP principle would this step fall under?
A. Maintain documentation procedures.
B. Establish verification procedures.
C. Determine the critical control points.
D. Establish monitoring procedures.
E. Conduct a hazard analysis.
Checking temperature logs and reviewing corrective actions in a HACCP plan align with the principle of Establish verification procedures, which ensures the plan's effectiveness in controlling hazards. The correct answer is option B. Establish verification procedures.
Pari's team's decision to check temperature logs regularly and review corrective actions to evaluate their effectiveness, falls under the principle of B. Establish verification procedures. This principle is crucial in ensuring that the HACCP plan is functioning correctly by confirming that monitoring activities at CCPs are able to control the identified hazards and that the plan is effectively preventing food safety issues. Verification steps can include records review, testing, and additional checks that assure the HACCP system works as intended.
Volume of Rectangular Prisms
What is the volume, in cubic inches, of a rectangular prism with a height of 19 inches,
a width of 8 inches, and a length of 17 inches?
Answer: It’s 2584
Explanation:
Which of these is an advantage of growing legumes?
O
A. They are expensive.
O
0
O
O
B. They are difficult to cultivate
C. They lack a hard shell.
D. They are nutritious
Which of these describes the role of a red oak tree that gets its food through photosynthesis? *
1 point
omnivore
parasite
herbivore
producer
Which of the following substances MOST easily travels across a cell membrane?
glucose molecules
water molecules
sodium ions
hormones
Answer:
water molecules
hormones
Explanation:
Water molecules can easily pass through semi-permeable membrane of the cell by Osmosis . Osmosis is a process in which molecules moves from a region of lower concentration to the region higher concentration through a semipermeable membrane of the cell. Water move easily as compared to other molecules because water has very small size.
What are places that have tropical rainforest for there biome?
Answer:
The Amazon rainforest and the Congo
Explanation:
Both are near the equator, which since due to its high heat leads to extreme humidity, so it rains quite often.
The Amazon Rainforest is the largest jungle in the world, it takes up a good portion of Brazil, Colombia, Ecuador, Peru, Venezuela, Bolivia, and some other smaller countries, it is home to many exotic creatures: jaguars, monkeys tapirs, amazon river dolphins, toucans, parrots and many more
The Congo is in the heart of Africa, it takes up a part of the democratic republic of congo, republic of congo, Gabon, equatorial guinea, and cameroon. They are home to gorillas, okapi, baboons, chimps, elephants and many more.
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Which of these choices is a risk of linear economy
Which of the following would cause only a chemical change with a sugar cube?
A. Crushing the sugar cube
B. Digesting the sugar cube
C. Melting the sugar cube
D. Dissolving the sugar cube in water
Answer:b
Explanation: using chemicals in stomach acid
9. How is DNA copied?
O A. The sense strand of DNA is used as a template to create both strands of the new
double helix.
O B. The antisense strand of DNA is used as a template to create both strands of the
new double helix.
O C. Each single strand of DNA is used as a template to create a complementary
strand of DNA.
O D. The mRNA made from the DNA is used as a template to create a complementary
strand of DNA.
Answer:
c
Explanation:
Name two nutrients that are recycled through an ecosystem.
Answer:
1) Oxygen 2) Phosphorus
Explanation:
Answer:
oxygen and phosphorus
Explanation:
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What term is used to describe the process of copying DNA?
3- What are some source of electricity?
Answer:
The three major categories of energy for electricity generation are fossil fuels coal, natural gas, and petroleum, nuclear energy, and renewable energy sources.
Explanation:
Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy.
Describe what an air mass is.
Answer:a body of air with horizontally uniform temperature, humidity, and pressure.
Explanation:
Answer:
In meteorology, an air mass is a volume of air defined by its temperature and water vapor content. Air masses cover many hundreds or thousands of miles, and adapt to the characteristics of the surface below them. They are classified according to latitude and their continental or maritime source regions.
Explanation:
A sample taken from the crime scene is called what?
A. A known sample
B. A personal sample
C. Aquestioned sample
D. A comparison sample
Answer:
C, a questioned sample
Explanation:
a planned procedure to test a hypothesis is called a
Which of the following cycles involves chemically storing energy and releasing energy through the use of mitochondria?
Answer:
Krebs Cycle
Explanation:
COSMETOLOGY!! HELP PLEASE!!
Imagine that you are a salon owner. List three things that you would make sure were in your salon to ensure the health and safety of your clients and employees. Explain the health and safety concern each of the items would address.
Answer:
If I was a salon owner I would make sure we had many different electrical outlets, a fire alarm, and plenty of chemicals for sanitation available. Having multiple electrical outlets would ensure that we didn't have too many things plugged into one outlet, something that could cause a fire. A fire alarm would protect everyone in the building if there was a fire. If there were plenty of materials available for sanitation then all tools would be properly sanitized.
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To ensure health and safety in a salon, it is important to have sanitization stations, a ventilation system, and a first aid kit readily available.
Explanation:As a salon owner, three things I would make sure are in my salon to ensure the health and safety of clients and employees are:
Sanitization stations: I would have designated areas with hand sanitizers and disinfectant wipes throughout the salon to encourage proper hand hygiene and regular cleaning of surfaces.Ventilation system: Investing in a good ventilation system would help improve air quality by removing fumes, chemicals, and odors from products used in the salon, ensuring a safer and healthier environment for everyone.First aid kit: Having a fully stocked first aid kit readily available would allow immediate response to any minor injuries or accidents that may occur in the salon.These measures address concerns related to preventing the spread of germs, maintaining good air quality, and providing prompt first aid care in case of emergencies.
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what elements make up this chemical formula C6H12O6
Answer:
Glucose
Explanation:
Glucose has a chemical formula of: C6H12O6 That means glucose is made of 6 carbon atoms, 12 hydrogen atoms and 6 oxygen atoms.
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Answer:
B. One organism benefits but the other is unaffected.
Explanation:
That's the definition. For example, clown fish and the anemone. The anemone doesn't benefit nor gets hurt but the clown fish has a habitat and home and benefits.
Matter and energy are transferred through food webs, beginning with solar energy used for photosynthesis. A catastrophic event
eliminates all plant life associated with this food web. Hypothesize as to the result of eliminating all the plants in this situation.
5
A)
Only the fungi would survive.
B)
Birds and nematodes would thrive.
9
The food web would completely collapse
D)
The food web would produce more bacteria to compensate.
Answer:the answer is C
Explanation:
I took the test
A catastrophic event
eliminates all plant life associated with this food web will make the food web to completely collapse.
What is Food web?Food web refer network that connect many food chains in a community that comprises of many and various organisms.In a food web, there are producers,primary consumers, secondary consumers, tertiary consumers and decomposers. Energy flow through this networkThe removal of the producers would cause the collapse of the entire food web because Primary consumers or herbivores that feed directly on f producers would die off because they won't get the energy they need for life.And if the herbivores collapse, the secondary consumers and tertiary consumer which include the canivores and omnivores will die off because they won't get the energy needed for survival since the herbivores are no more.Therefore, a catastrophic event
eliminates all plant life associated with this food web will make the food web to collapse
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Which of the following is the best example of a hypothesis?
Water makes plants grow.
If a plant receives water, then it will grow faster.
a When a plant receives water, it grow
b If a plant receives water, it will grow.
c when a plant receives water i grows
d if a plant receves water it will grow
Answer:
b
Explanation:
The best hypothesis statement is, 'If a plant receives water, then it will grow faster', as it can be tested and follows the 'if... then...' structure. This statement allows the prediction and testing of the effects of watering (independent variable) on plant growth (dependent variable). The correct option is: b) If a plant receives water, it will grow
The best example of a hypothesis from the given options would be, 'If a plant receives water, then it will grow faster,' because it follows the general 'if... then...' format that a hypothesis typically takes. This educated guess can be tested by providing water to a plant and observing whether it indeed grows faster compared to a plant that is not watered. A key part of a science experiment is formulating a hypothesis that predicts the influence of an independent variable (like the presence of water) on a dependent variable (such as the growth rate of the plant).
For example, if you observed that the soil around your plants seems dry, you might formulate a hypothesis such as 'If I water my puakenikeni plant more often, then the leaves won't turn yellow.' This statement can then be tested to see if the hypothesis holds true or needs to be rejected or modified based on the results. If it is proven that water does indeed prevent the leaves from yellowing, the hypothesis would then be supported by the evidence.
Humans, mice, and whales are all mammals. Which is one characteristic of mammals that separates them from other classes of animals?
A.
They are smart.
B.
They care for their young.
C.
They have hair or fur.
D.
They can live in cold climates.
Answer:they have hair or fur
Explanation:
Offspring that result from crosses between true-breeding
parents with different traits (G1)
How has this continued petroleum extraction from selected areas over time likely affected petroleum resources on Earth?
Continued petroleum extraction has led to the depletion of easy-to-access resources, pushing the industry towards more environmentally risky methods that increase potential for ecological and health damages. Major spills and accidents have shown the dangers associated with deepwater drilling and unconventional resource exploitation. There is a pressing need for sustainable resource management that considers environmental and health concerns.
Explanation:The continued extraction of petroleum from selected areas over time has significantly affected Earth's petroleum resources. As easier, more accessible sources are depleted, the industry has moved towards extracting oil and gas from more challenging environments, such as deepwater drilling or exploiting unconventional resources like bitumen and oil shale. This push towards harder-to-reach fossil fuels heightens the risk of environmental damage, leads to the destruction of ecosystems, and results in more greenhouse gas emissions.
Moreover, accidents like the Deepwater Horizon oil spill have demonstrated the potential for catastrophic environmental damage and long-lasting impact on human and wildlife health. These incidents require vast resources for cleanup and have irreversible effects on the environment. Even the methods used to extend the life of these resources, such as coal liquefaction and gasification, carry significant environmental dangers, including major landscape disruption and an increase in the release of greenhouse gases.
Ultimately, as the pursuit of fossil fuels pushes humanity to tap the 'low-hanging fruit,' the environmental toll becomes increasingly heavy. Sustainable management of resources needs to account for the environmental costs of extraction, the health hazards from pollution, and the necessity for a transition to renewable energy sources to mitigate the adverse effects on our planet.
Cells & Cellular Processes
TOOI
The diagram below shows two organelles
eles -a chloroplas and a mitochondrion
a chloroplast and a mitochondrion
Outer Membrane
Stroma (aqueous fluid)
Inner Membrane
Matrix
Granum
(stock of thylakoids) Thylakoid
er membran
Inner Membran
Outer Membrane
CHLOROPLAST
MITOCHONDRION
How are these organelles similar?
A.
They both have an inner membrane and an outer membrane.
B.
They are both found in animal cells.
C.
They are both designed to create food for the cell.
D. all of these
Answer:
Is A they both have inner membrane and outer membrane
Which of the following is an advantage of biomass as an energy source?
A. It produces a great deal of energy from very little material
B. It produces no greenhouse gases.
C. It is a renewable resource.
D. It is more efficient than the use of fossil fuels.
Answer:
a
Explanation:
It produces a great deal of energy from very little material.
What is biomass?Biomass is plant-based material used as fuel to produce heat or electricity. Examples are wood and wood residues, energy crops, agricultural residues, and waste from industry, farms and households. Since biomass can be used as a fuel directly, some people use the words biomass and bio fuel interchangeably.
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