Answer:The electrons are thought to exist in SHELLS/LAYERS around the nucleus of an atom and that there can be no more than TWO IN THE FIRST SHELL WHEREAS THE SECOND AND THIRD CAN HOLD UPTO EIGHT electrons on them
Explanation: The electrons are around a nucleus in shells/layers.There are three shells around it the first shell has a maximum of two electrons whereas the second and third can hold a maximum of 8 electrons
Organic materials and fertilisers enhance soil texture, enabling it to retain water for longer periods of time, and boost microbial and fungi activity.
How would you conduct your investigation? In your answer, explain your independent and dependent variables.
Answer:
To conduct an investigation on the effect of organic materials and fertilizers on soil texture, you can follow these steps:
Define the independent and dependent variables:
Independent variable: type of organic material or fertilizer used (e.g. compost, manure, chemical fertilizer)
Dependent variable: soil texture (e.g. water-holding capacity, porosity, bulk density)
Design the experiment:
Choose a representative soil sample and divide it into several equal portions.
Treat each portion with a different organic material or fertilizer.
Control for extraneous variables by maintaining consistent environmental conditions (e.g. temperature, moisture levels) for each soil sample.
Collect and analyze data:
Measure the dependent variable (soil texture) for each soil sample after a set period of time (e.g. after 2 weeks).
Compare the soil texture of the treated samples to the control (untreated) sample.
Use statistical analysis to determine if any significant differences exist between the treatments and the control.
Draw conclusions:
Based on the results of the data analysis, draw conclusions about the effect of different organic materials and fertilizers on soil texture.
Determine if there are any significant differences in soil texture between the treatments and the control.
To conduct the investigation:
identify the independent and dependent variables: the Independent variable is the type of organic material or fertilizer used while the dependent variable is the soil texture Choose a soil sample and divide it into several equal portions and add organic materials to one portion and none to the other portionCarry out the to determine whether the soil samples that had organic materials and fertilizers retained water more than the soil sample that lacked organic materials and fertilizers.What is an experiment?An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before.
Experiments show the relationship between the independent and dependent variables.
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can animals communicate ?
Answer: Animals communicate using signals, which can include visual; auditory, or sound-based; chemical, involving pheromones; or tactile, touch-based, cues. Communication behaviors can help animals find mates, establish dominance, defend territory, coordinate group behavior, and care for young.
Proteins, nucleic acids, lipids, and carbohydrates are based on which molecule?
O oxygen
O nitrogen
O carbon
O hydrogen
Answer:
C. Carbon
Explanation:
How does glaze form?
Answer:
Answer Below ↓
Explanation:
A glaze is made up of three parts. A flux/melter that lowers the melting point, a refractory/stabilizer that bonds the glaze to the clay, and a glass former like silica. This creates the base and then a stain is added to give the glaze its color. It's a bit like mixing paint and a bit more like a chemistry experiment.
Transcribe the following DNA strand to create a molecule of mRNA. TAC CTA TAA GAA GAC GGG TGT ATC
DNA originally contains two parent strands, each forming one side of the double helix. After replication, each of these parent strands is copied into a daughter strand, so the overall result is 2 identical daughter cells. The process of DNA replication. In a semi-conservative model of DNA replication, which of the following is true?
The daughter DNA molecule consists of 1 parent strand and 1 new strand
The daughter DNA molecule consists of 2 newly formed strands
The daughter DNA molecule consists of 2 parent strands
The daughter DNA molecule consists of an uneven mix of old and new strands
DNA replication is semi-conservative because the original molecule separates into two different strands, and each of them works as a model for a new strand to grow. A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.
Why is DNA replication a semi-conservative event?
DNI replication is semi-conservative because, after replication, each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.
The replication products are double-stranded DNA molecules, each carrying an original strand and a new one.
The correct option is A) The daughter DNA molecule consists of 1 parent strand and 1 new strand.
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In a semi-conservative model of DNA replication, the daughter DNA molecule consists of 1 parent strand and 1 new strand. Option 1.
Semi-conservative DNA replicationThe process of DNA is naturally semi-conservative.
This is because each strand of the original DNA forms a template for the synthesis of a complementary strand. Thereafter, each of the newly synthesized strands forms a double helix structure with their respective parent strands.
Thus, e newly replicated DNA molecule usually consists of 1 old strand and 1 new strand. Consequently, the process is described as being semi-conservative.
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Why do geologist often use relative and absolute age dating methods to determine  the ages of rocks in sequence 
Answer:
By means of this type of dating it is possible to obtain absolute dates, that is to say reliable ones, for the events of the geological past; these methods provide numerical ages.
Explanation:
Answer:
Geologists use both relative and absolute age dating methods to determine the ages of rocks in a sequence. Relative age dating uses the principle of superposition to determine the relative order of rock layers and the relative ages of the rocks based on their position in the sequence. Absolute age dating, on the other hand, uses radiometric dating techniques to determine the actual numerical age of a rock in years. By using both methods, geologists can get a more complete understanding of the geologic history of an area and the ages of rocks in a sequence
What is the standard deviation of each of the measurements of the nuggets weight from the average
The average degree of variability in your data set is represented by the standard deviation. It reveals the average deviation of each score from the mean.
What is the standard deviation?A measure of a data set's variance from the mean is referred to as "standard deviation." While a high standard deviation indicates that the data are more spread, a low standard deviation suggests that the data are clustered around the mean. In statistics, the measurement of variability known as the standard deviation (SD) is frequently utilized. It demonstrates how significantly off the average things vary.
Because it aids in comprehending observations when the data is scattered, standard deviation is significant. The standard deviation of the data will be higher the more evenly dispersed the data.
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Why do bonds form between atoms to make compounds?
Answer:
This is because the new bonds help to stabilize the atom.
Explanation:
Many atoms become stable when their valence shell is filled with electrons or when they satisfy the octet rule (by having eight valence electrons).
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What are the boundaries of the ecosystem shown in the diagram?
The boundaries of the ecosystem shown in the diagram represents a body of water in the outer region.
What is an Ecosystem?This consists of all the organisms and the physical environment with which they interact and are made up of the biotic and abiotic factors.
Boundary of an ecosystem complex of living organisms in areas where one body of water meets another or where one terrestrial ecosystem meets another and in this case it is the body of water which have fishes and other aquatic organisms present.
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Can you feed a chicken the same foods as a pig and why ?
Answer:
Yes, u can
Explanation:
For everyday food, you can feed your chickens either chicken food (found at feed stores) or pig food. In Alberta, the UFA Hog Grower is the same as the chick starter except the pellets are bigger, and the hog grower contains fewer antibiotics. If you have access to grain then you can feed that to them
Which occurs when the body responds to the environment by maintaining a stable internal environment despite changing external conditions?
spontaneous generation
homeostasis
growth and development
reproduction
Answer: homeostasis
Explanation: homeostasis is body regulation
Which one of the following is NOT a result of the Great Acceleration? (will give brainlist)
A. a radioactive layer left from nuclear bomb fallout
B. the presence of conglomerate rocks that include natural sediments and plastics.
C. greater biodiversity seen in plants and animals industrial chemicals and sediments found in the
D. Earth's crust an increased presence of greenhouse gases in the atmosphere
Earth's crust an increased presence of greenhouse gases in the atmosphere. So, correct option is D.
What do you mean by Great Acceleration?The Great Acceleration refers to a period of rapidly increasing human impacts on the Earth's systems, including the biosphere, atmosphere, oceans, and geosphere. It began in the mid-20th century and has accelerated since then, resulting in significant changes to the natural systems of the planet. Some of the key drivers of the Great Acceleration include population growth, technological innovations, economic development, globalization, and resource consumption.
These changes have resulted in a range of impacts, such as increased greenhouse gas emissions, loss of biodiversity, deforestation, and pollution of air, water, and soil. The Great Acceleration has also led to the creation of a so-called "technosphere," a term used to describe the rapidly growing interconnected network of technological systems that humans have created to support our rapidly growing population and demand for resources.
The Great Acceleration is widely seen as a major challenge to global sustainability, as it is putting significant pressure on the Earth's systems and threatening the long-term health and stability of the planet. It is a crucial issue for policymakers and the global community, who must work together to find sustainable solutions to these challenges and ensure that the Earth's systems are protected for future generations.
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