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Step by step explanation:
Related Questions
Which of these best describes weathering and erosion?
A
They are tools people use to change landforms and create new ones.
B
They only affect one landform: islands.
C
They cause tiny changes to Earth’s surface that become enormous over time.
D
They significantly change the surface of the Earth every few days.
Answers
The best description of weathering and erosion should be considered as the option d. They significantly change the surface of the Earth every few days.
What is weathering and erosion?Weathering represent the break down or the rocks should be dissolved out and the minerals should be on the earth surface.
When the rock should be split down so this process we known as the erosion transports.
Therefore, the option d is correct.
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Fill in the blank
The length of __________ of dark period controls _________.
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1. How much force accelerate a bicycle and rider with mass 60 kg at 1.5 m/s?
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Answer:
Force, F = 90 N
Explanation:
Given that,
Mass of the bicycle and rider, m = 60 kg
Acceleration of the bicycle and rider, a = 1.5 m/s²
We need to find the force acting on the bicycle and rider to accelerate. Let it is F. Its force is given by :
F = ma
F = 60 kg × 1.5 m/s²
F = 90 N
So, the force acting on the bicycle and rider is 90 N.
Which of the following combinations is always true of the nucleotide composition of a sample of DNA?
Answers
Answer:
I'm dead
Explanation:
Bruh you literally go to my school. I'm dying over this.
The combination which is always true of the nucleotide composition of a sample of DNA is: [tex]A + C = G + T[/tex]
Deoxyribonucleotides is the basic unit of a deoxyribonucleic acid (DNA).
Basically, it comprises a nitrogenous base and phosphate group that are commonly known as deoxyribose sugar.
A nucleotide refer to a subunit of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) that consists of a nitrogenous base.
Hence, the nitrogenous base or nucleotide composition of a deoxyribonucleic acid (DNA) includes the following:
Adenine (A).Guanine (G).Cytosine (C).Thymine (T).In conclusion, the combination which is always true of the nitrogenous base or nucleotide composition of a sample of DNA is:
[tex]Adenine (A) + Cytosine (C) = Guanine (G) + Thymine (T)[/tex]
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What is the difference in climates east and west of the Cascade Mountains in the Pacific Northwest?
There is more cloud cover and more rain in the east of the Cascade Mountains,
O There are colder winters in the west but milder winters in the east of the Cascade Mountains,
O There is more sunshine and less rain in the west of the Cascade Mountains
There are milder winters in the west but colder winters in the east of the Cascade Mountains,
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Answer:
There are milder winters in the west and colder winters in the east
Answer:
There are milder winters in the west but colder winters in the east of the Cascade Mountains. or d/4th one
Explanation:
made it easier to read other one
do you like this image i found on instagram???
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Answer:
oh absolutely. he is the best boy. also yummy. i would not eat him tho.
Answer:
drop ur id ill add u though
Explanation:
The unique shape that a mineral grows into is called its…
Answers
Answer:
Crystal form refers to the geometric shape of mineral crystals. Crystal form is caused by the symmetrical, three-dimensional arrangement of atoms inside the mineral.
Explanation:
What is Elizabeth likely to observe about the investigation of cell transportation
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a b c d ??? please help me
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Answer:
Its the first one: acts as the control center of the cell
Explanation:
Answer:
A.
Explanation:
It acts as the brain of the cell as it tells other organelles their functions.
The structure labeled "A" open and close the sites where the gases, carbon dioxide and oxygen, are exchanged during photosynthesis. What is the structure labeled A?
Answers
The structure A in the question seems missing but the given answer is based on the description given in the question.
Answer:
The gaseous exchange of carbon dioxide(CO2) and oxygen(O2) occurs through small, regulated openings called stomata during photosynthesis.
Therefore the Structure A is Stomata
Use the diagram below to answer the following question.
Which of the following statements accurately describes the relative age of the fossils in these rock layers?
A) The yellow shell fossils are from 300 million years ago
B)The brown trilobite fossils are from 500 million years ago
C)The brown trilobite fossils are older than the yellow shell fossils
D)The yellow shell fossils are older than the brown trilobite fossils
Answers
Answer:
C) The brown trilobite fossils are older than the yellow shell fossils
Explanation:
Which of the following types of fats are most associated with heat disease? (They tend to be solid at room temperature)
A. Monounsaturated
B. Polyunsaturated
C. Phospholipids
D. Saturated fats
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Answer:
Saturated Fats
Explanation:
BRAINLIEST PLEASEEEEE
polyunsaturated
Explanation:
all dietary food contains(polyunsaturated)are solid
Which letters are broken down to produce energy for cells? There’s two
Answers
Answer:
C and D
Explanation:
Cellular respiration, which is the process whereby energy in form of ATP is synthesized, occurs in the MITOCHONDRIA. The products of cellular respiration (CO2 and H2O) are used as reactants by plants to produce glucose and oxygen in their CHLOROPLASTS in a process called PHOTOSYNTHESIS. The glucose and oxygen are broken down in the MITOCHONDRIA to yield energy by cells.
In this image, letters C and D represents glucose and oxygen, which are products of photosynthesis in the chloroplast. Glucose and oxygen represented by C and D are broken down to produce energy for cells in the mitochondria
C Protista itc
5. Which of the following is a heterotrophic eukaryote associated with the decomposition of dead organisms
a Protist
b. Herbivore
c Bacterium
I
d Fungus
Help
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collection of monkey
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Answer:
A group of monkeys may be commonly referred to as a tribe or a troop.
i think that correct?
Explanation:
A cell’s nucleus will divide during mitosis. Whaat process must happened before it can divide?
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What is the highest possible elevation shown on the map?
Answers
Answer:
Point B
Explanation:
How does water cause frost wedging?
A
Water attracts lightning, which breaks apart huge boulders into many smaller pieces.
B
Water carries sediment to large rocks, causing them to rub against each other.
C
Water freezes and thaws inside rock cracks, causing them to widen and then split.
D
Water slowly wears down a rock’s sharp edges, leaving behind a smooth surface.
Answers
Answer:
C. Water freezes and thaws inside rock cracks, causing them to widen and then split.
Explanation:
When water gets in the crack at the bottom and freezes, frost wedging occurs.
Frost wedging happens when water gets in crack, freezes, and expands. This process breaks rocks apart. When this process is repeated, cracks in rocks get bigger and bigger (see diagram below) and may fracture, or break, the rock.
A student finds a beaker containing a substance in the laboratory. The student filters the contents of the beaker and notices that a solid is left on the filter paper.
What can the student conclude about the type of matter of the original material?
Answers
Answer:
These are my answer choices so I guess it's an mixture, it's a mixture of filtration .. so its a mixture
Explanation:
(1) The original material was a mixture.
(2)The original material was a compound.
(3)The original material was either an element or a compound.
(4)The original material was either a mixture or a compound.
A beaker containing a substance is in the laboratory. Upon filtering, a solid is left on the filter paper. We can conclude that the original material was a mixture.
Filtering is a method for the separation of heterogeneous mixtures. A filter paper is placed in a funnel and the mixture is poured over it. The liquid passes the filter while the solid is retained. Since this was the situation of the student, we can conclude that the original material was a mixture. After the filtering, the student will have 2 homogeneous systems.
A beaker containing a substance is in the laboratory. Upon filtering, a solid is left on the filter paper. We can conclude that the original material was a mixture.
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ANSWER QUICK PLS I WILL GIVE BRAINLYIST
At what point should health officials have started to control the spread of Ebola in West Africa? It needs to be an essay.
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how are land and sea breezes important to human population?
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Answer:
Explanation:
Land is important as it provides a suitable habitat for humans as with high population a higher land mass is needed in order to provide satisfactory living condition likewise if lower population less land mass is needed while sea breeze is needed to it ability to stabilize thermal temperature in which is needed to keep a population physiology content
A scientist is extracting the DNA of a multicellular organism. He finds that 20% of the strands bases are Thymine. Based on Chargaff's rule, what percentage of the
strands bases would be Adenine?
A. 20%
B. 70%
C. 40%
D. 60%
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Answer:
A. 20%
Explanation:
A DNA molecule consists of four nucleotides viz: Adenine (A), Thymine (T), Guanine (G), and Cytosine (C). According to Chargaff in his complementary base pairing rule, these nucleotides pair with one another in such a way that A bonds to T, while G bonds to C.
Based on Chargaff's rule, the amount of Adenine in the DNA is equal to the amount of Thymine while the amount of Guanine is equal to that of Cytosine i.e. A=T, G=C.
A + T + G + C = 100%
Hence, in this question, a scientist finds that 20% of the strands bases are Thymine. This means that the amount of Thymine in that DNA will also be 20%. S
Since A=T = 20% in accordance to Chargaff rule.
From the giraffe story, give an example of the following:
1. Variation
2. Adaptation
3. A factor affecting the size of a population
Answers
Answer:
1. Each Giraffe's neck length is different
2. The tall neck Giraffes reproduced and their off spring inherited their genes
3. A drought occurred.
Explanation:
What macromolecules provide instruction for growth
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D. Nucleic acids
What's the term that describes all the chemical reactions taking place in an orgasm
Answers
Answer:
Metabolism
Explanation:
Which of the following best describes a change in the sequence of DNA of an organism?
A mutation
B natural selection
C gender
D DNA
Answers
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
Mutation (A)
What might be some reasons why cellular communication is necessary?
Answers
Answer:
in single-celled organism,signaling allows population of cells to coordinate with one another and work like a team to accomplish tasks no single cell could carry out on its own. the study of cell signaling touches multiple biological disciplines 5 years developmental biology , neurontology, and endocrinology.
* explanation* : hope this helped you
B. What is the largest cell called?
This is the largest cell in the human body. In
contrast, the sperm cell is the smallest cell in
the human body.
HELP ASAP!!!
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Step by step explanation:
7. How does the revolution of the Earth around the sun cause the seasons to change?
Answers
Calculate the volume in mL of a stock solution of 100% ethanol, required to prepare 2 L of a 70% solution of ethanol in dH2O
Answers
Answer:
For example, to make 70% ethanol from 95% ethanol, take 70 mL of 95% ethanol and add enough water to bring the volume to 95 mL. You will then have 95 mL of 70% ethanol. This works for any dilution and all that is required is a large enough graduated cylinder.
When using liquid reagents, the percent concentration is based upon volume per volume, i.e. #ml/100ml. Example 2: If one wished to make a 70% ethanol solution, 70 ml of 100% ethanol would be dissolved in 30 ml of water (or the equivalent for whatever volume was needed).