Which of the following lists the steps of technological development in the
correct order, from first to most recent?
OA. (1) Development of the abacus; (2) development of the first
computer program; (3) production of ENIAC, the first computer, (4)
manufacturing of home computers
OB. (1) Production of ENIAC, the first computer; (2) development of
the first computer program; (3) development of the abacus; (4)
manufacturing of home computers
O C. (1) Development of the first computer program; (2) production of
ENIAC, the first computer; (3) development of the abacus; (4)
manufacturing of home computers
O D. (1) Manufacturing of home computers; (2) development of the first
computer program; (3) production of ENIAC, the first computer, (4)
development of the abacus
SUBMIT
Answers
Answer:
the answer should be option A
Related Questions
Which of these most likely explains why the bacterial population stopped growing?
Answers
Bacterial population needs an optimum environment to survive. The bacterial population stopped growing because bacteria competed for the nutrients and when the nutrients were consumed, they died.
What are the optimum conditions required for bacterial growth?Bacteria require optimum conditions and full of nutrients to survive. It can include the following:
Oxygen.pH.Temperature.Light.Nutrients.Osmotic pressure.Atmospheric pressure.Moisture, etc.Thus, the bacterial population stopped growing as they did not get optimum condition as the nutrients got consumed.
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If an organism were to die in an environment that had no saprotrophs or detritivores, what would you expect to see if you observed the area 2 weeks later?
A. There would be nothing left, it will have completely decomposed.
B. The body would remain, and be just as it was when it died except for weathering.
C. There will be no difference as compared to an area that has saprotrophs and detritivores.
D. The body would be decomposing at about half the normal speed.
Answers
The body would remain, and be just as it was when it died except for weathering expect to see if you observed the area 2 weeks later. Thus, the correct option is B.
What is detritivores?Detritivores is defined as an organism that feeds on dead and deteriorating organic stuff (such as an earthworm or a fungus).
Decomposers that live on or in dead organic matter secrete enzymes and release nutrients into the ecosystem are known as saprotrophs. Fungi are an example.
The deceased organisms will remain the same without detrivores and saprotrophs, with the exception of weathering, which is taken out by air, water, or other agents.
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Anyone know how to do this?
Answers
Answer:
The ones in bold are the answers. I really hope this helps you.
Explanation:
Blood sugar is too high. Pancreas releases insulin to stimulate the liver and store glucose to break down sugar from the blood and store it as glycogen or glucose. Blood sugar levels decreases.
Blood sugar level is too low. Pancreas releases glucagon to stimulate the glucose production in the liver and maintain adequate plasma glucose concentrations to convert stored glucagon and fat back into glucose to be released in the blood. Blood sugar levels increases.
Good luck... ^.^
HELP ME IM ALMOST DONE
Answers
Answer:
option B
should be right answer for the question
Answer: B
Explanation:
plase help my and thanks . ammm
Answers
From the illustration, it can be said that the age of the rock layer is the same in the four locations of index fossil 1.
Age of fossilIt is a measure of how long a material has been fossilized.
Thus, if a rock layer contains a fossil and another similar rock layer does not have the fossil, one can conclude that the ages of the rock layers are different.
Only index fossil 1 is found in all the four locations as shown in the image. Hence, one can as well infer that the rock layers in all these four locations are of the same age.
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When a person sees a doctor about a respiratory illness, the doctor will want to determine if the sickness is in the upper respiratory tract or the lower respiratory tract. The starting point for the lower respiratory system is the trachea.
Which structures are part of the upper respiratory system? Select three options.
the larynx
the bronchus
the alveoli
the lungs
the pharynx
Answers
The structures which are part of the upper respiratory system include the following:
The pharynxThe larynxThe bronchus.What is Respiratory system?This is the system which is involved in the gaseous exchange of organisms and consists of organs such as lungs etc.
The parts mentioned above are found in the upper respiratory tract of most animals.
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Which of the following best explains how the root hair contributes to the function of the root epidermal cell? Choose 1 answer: Choose 1 answer:(Choice A)
A
It causes the cell to move in response to stress.
(Choice B)
B
It gives the cell enough space for a nucleus.
(Choice C)
C
It allows the cell to absorb more water.
Answers
Answer:
C - It allows the cell to absorb more water.
Explanation:
Specialized cells often have unique structures that allow them to carry out a function. For example, a root hair increases the surface area of a root epidermal cell, allowing the cell to absorb more water.
Answer:
C - it allows the cell to absorb more water
The extracellular material of a tissue is called the:.
Answers
Answer:
The extracellular material of a tissue is called the Matrix
Which statements describe how traits are inherited
Answers
Answer: Traits are inherited when the genes from parents are passed off to their offspring.
Explanation:
Select the correct answer from each drop-down menu.
A mouse had a gene sequence of GTT coding for leucine, an amino acid.
mutation in this gene led to the formation of GTG. However, the amino acid formed was leucine, despite the mutation. This is a
mutation for the mouse.
Answers
The mutation that occurred in the mouse is a silent mutation since it does not affect the amino acid sequence in the protein.
What is a mutation?A mutation is a change that occurs in the sequence of nucleotides in the DNA of organisms.
A mutation can either have deleterious effect on the organism or have no effect at all. Mutations that do not have any effect on the organism are known as silent mutations.
Silent mutations do not affect the sequence of amino acids that make up a protein.
Therefore, the mutation that occurred in the mouse is a silent mutation since it does not affect the amino acid sequence in the protein.
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The higher the __________ content of a DNA, the ________ the melting temperature, and the ________ the ionic strength, the ________ the melting temperature. A:T; higher; higher; lower G:C; lower; higher; lower G:C; higher; lower; lower A:T; lower; lower; higher G:C; higher; higher; lower
Answers
Answer:
G:C, higher, higher,
Explanation:
G:C have 3 Hydrogen Bonds, A:T only 2. So, G:C bind stronger to each other, so higer ionic strengh and higher melting temperature.
*the last gap and the first gap seem to be the same question
What did the Miller-Urey experiment provide evidence for?
*
a. primordial soup theory
b. endosymbiosis
c. spontaneous generation
d. biogenesis
Answers
Answer:
i believe it is endosymbiosis
HELPPPP SCIENCEEE!!!!!!!
Answers
Answer:
The biodiversity garden are rich in variety of flora which can include native Plant species that provode food and habitat to native pollinator.
When a protein denatures, which type of bonding is effected?
Answers
Answer:
When a protein is denatured, secondary and tertiary structures are altered but the peptide bonds of the primary structure between the amino acids are left intact. Since all structural levels of the protein determine its function, the protein can no longer perform its function once it has been denatured.A protein becomes denatured when its normal shape gets deformed because some of the hydrogen bonds are broken. Weak hydrogen bonds break when too much heat is applied or when they are exposed to an acid (like citric acid from lemon juice).
Which of the following is a true statement?
A. Light energy causes water molecules to split up.
B. Light energy bonds the carbon and oxygen together to make carbon dioxide.
C. Light energy creates water molecules.
D. None of the above
Answers
Answer:
A is the answer make me Brainlist
what is ecological succession?
Answers
Answer:
Yellow
Explanation:
The change an ecosystem experiences over time
The change in ecosystem experiences over time.
In simpler words, the process in which there is a change in species, as well as habitat, occurs over some time.
An earthworm's body plan
consists of all, EXCEPT which
of the following?
A. a simple brain with a nerve cord
B. pores in the skin for food to move in and a stomach in each
segment
C. longitudinal and circular muscles for movement
D. a heart of aortic arches and vessels along the body
Answers
An earthworm's body plan consists of all, EXCEPT pores in the skin for food to move in and a stomach in each segment. Thus, option "B" is correct.
What is an earthworm's body plan?The physique of the earthworm is segmented which appears like numerous tiny rings combined or merged collectively. The earthworm is made of around 100-150 segments. The segmented body portions deliver significant organizational purposes.
Segmentation can help the earthworm move. Each segment or piece has muscles and bristles named setae. The bristles or setae support the anchor and govern the worm when stirring over the soil. The bristles grasp a segment of the worm definitely into the ground while the other portion of the physique projects forward.
The earthworm uses parts to either contract or relaxes self-sufficiently to source the body to grow in one area or contract in other areas. The division supports the worm to be supple and sturdy in its drive. If each section stimulated collectively deprived of being self-governing, the earthworm would be stationary.
Thus, option "B" is correct.
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What is a colony forming unit and how is it used to infer microbial numbers in a sample?.
Answers
Answer:
What is a colony-forming unit and how is it used to infer microbial numbers in a sample? A colony-forming unit is the measurable number of colonies that are formed on the agar plate solution. In this experiment, each colony formed of S. cerevisiae will be a colony-forming
in this phase of mitosis the cells DNA is replicated so that both daughter cells will have
Answers
Answer:
the same.
Explanation:
It is because mitosis is a cell of DNA and if the both daughter mitosis's DNA will have the same.
PLEASE HELP ASAP. WILL GIVE BAINLIEST! How does technology influence how the types of energy sources are used? Give an example to support your answer.
Answers
Answer:
It has provided for the use of alternate energy sources that have reduced impact on the environment. For example, if we are on our electronics that uses electrical energy which means that that energy is used in the electronic. So that means the energy that is always used which is electrical energy is an example of my answer
Which structure controls what enters and leaves the cell?
A) cell membrane
B mitochondria
c) cell wall
D nucleus
Answers
The "Cell Membrane" controls what enters and exits the cell and thus protects the cell.
Answer: A: The cell membrane
Explanation: Hope this helps!
Coal is a fossil fuel that is used to produce electricity. Which of these statements best describes a cost of coal mining on the region around the mines? (4 points)
It gets less electricity.
It becomes depleted of essential minerals.
Its groundwater is contaminated.
Its rivers and streams become dry.
Answers
The statement that best describes a cost of coal mining on the region around the mines is that Its groundwater is contaminated.
What is coal mining?A coal mine is a mine from which coal ore or coal minerals are mined.
Mining is activity of removing solid valuables from the earth or the activity that extracts or undermines.
Mining is a process that releases pollutants into the environment, therefore, the statement that best describes a cost of coal mining on the region around the mines is that Its groundwater is contaminated.
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Select the correct answer.
Which is the correct definition of a large animal?
O A.
an animal that lives outdoors
OB.
an animal used for food, farming, or agriculture
OC. an animal of a large size that needs daily care
OD. an animal that needs large farms
Answers
Answer:
OC is the correct answer
Which surface attaches to the underlying epithelial cells or deeper tissues?.
Answers
Answer:
the surface that attaches to the underlying epithelial cells is the basal lamina
Explanation:
If you use pyrotechnic visual distress signals, how many unexpired vdss must you carry on board your vessel?.
Answers
If you use visual pyrotechnic distress signals, 6 pairs of unexpired vdss must be taken on board your vessel.
How many visual pyrotechnic distress signals to carry on the vessels?In coastal areas, up to 20 miles from the coast, the mandatory set of six flares must consist of two red star manual flares, two red star rockets with parachutes and two floating orange smoke (smoke) flares.
With this information, we can conclude that If you use visual pyrotechnic distress signals, 6 pairs of unexpired vdss must be taken on board your vessel.
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Which of the following is a direct result of deforestation? (4 points)
Fewer storms
Habitat loss
Increased oxygen levels
Severe weather increase
Answers
The direct result of deforestation is habitat loss.
What is deforestation?Deforestation is defined as the purposeful felling of trees which are used for domestic use and the space created is used for agricultural purposes
The direct impact of deforestation is the effect it has on the arboreal habitat. The animals that live on trees have their habitats destroyed.
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Rabbits were introduced to Australia by humans and have caused severe disruptions to the natural ecosystem. How would you classify these rabbits?
Answers
The rabbits would be classified as exotic invasive species.
What are invasive species?Invasive species are plant or animal species that disrupt the ecological balance of ecosystems by their invasive attributes.
Invasive attributes include the ability to spread or multiply at a fast rate, sometimes secreting biological chemicals to inhibit the growth of other species.
Exotic invasive species are invasive species that are introduced, rather than being native to the ecosystem.
Thus, the rabbits can be classified as exotic invasive species.
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How is an
anatomical
adaptation
defined?
A. a system present within the
organism that allows it to perform a
biochemical reaction
B. a feature of the organism's body
that helps it survive and reproduce
C. a response from the organism that
changes it's behavior to help it survive
and reproduce
Answers
Anatomical adaptations involve every change in the organism's external structure. Option B. A feature of the organism's body that helps it survive and reproduce.
What is an anatomical adaptation?Anatomical adaptations are changes in the external structure of the organisms that help them survive and reproduce in a certain environment.
These adaptations allow the organisms
to camouflage if necessary (to scape from a predator or to hunt their prey, for instance), to protect themselves by imitating dangerous species' colors and shapes, to develop special structures needed to feed and move in that specific environment.
There are other two types of adaptations apart from anatomical ones. These are physiological and behavioral adaptations.
Options
A. a system present within the organism that allows it to perform a biochemical reaction ⇒ This is a physiological adaptation
B. a feature of the organism's body that helps it survive and reproduce ⇒ This is an anatomical adaptation
C. a response from the organism that changes it's behavior to help it survive and reproduce ⇒ This is a behavioral adaptation
The correct option is B. a feature of the organism's body that helps it survive and reproduce
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Identify the fungus type pictured below.
The image shows cup shaped fungi.
Public Domain
Club fungi
Sac fungi
Imperfect fungi
Zygote fungi
Answers
Cup-shaped fungi are a type of sac fungi.
Cup fungi or Pezizacea are a unique-shaped fungiThese mushrooms grow and form the shape of a cup, giving them their nameThe function of this cup shape is to allow water drops to fall on the gills of the fungus and help disperse the fungal sporesIn short, the cup shape helps to promote spore dispersalCup fungi belong to the group AscomycotaAscomycota are also called sac fungiAscomycota is the largest phylum in the fungi kingdomA few cup fungi function as pathogensHence, Sac fungi include the group of cup-shaped fungi
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Answer:
Sac Fungi
Explanation:
How does the body obtain more glucose, if it is needed for cell respiration?
Answers
Through the process of cellular respiration, the energy in food is changed into energy that can be used by the body's cells. Initially, the sugars in the food you eat are digested into the simple sugar glucose, a . The varying glucose concentration affects the rate of cellular respiration as all living cells require both glucose and oxygen for their proper functioning. If the cell has a low level of glucose, then it cannot produce the energy -ATP molecules.
monosaccharide means any of the class of sugars (e.g., glucose) that cannot be hydrolyzed to give a simpler sugar.