Answer:
B
Explanation:
The density of continental crust is 2.9 g/cm^3. Oceanic crust, while thinner, is made of mafic materials (Fe, Mg)-- mainly basalt
the failure of sister chromatids to separate during meiosis is called:
Answer:
Nondisjunction in Meiosis: Nondisjunction occurs when homologous chromosomes or sister chromatids fail to separate during meiosis, resulting in an abnormal chromosome number.
Plant and animal cells have a lot in common. Compare and contrast the two cells. Select the features that you find in BOTH types of cells. Question 17 options: membrane, nucleus, cytoplasm, membrane, chloroplasts, nucleus cell wall, cell membrane, nucleus cell membrane and cell wall, chloroplasts.
Answer and explanation:
Animal cells do not have cell walls or chloroplasts but both plant and animal cells contains nucleus and cell membrane.
what happened to the molecules when you moved the slider to 0°c ?
Answer:
: Liquid water molecules move more and more slowly until they begin to stick together to form an ice crystal.
Explanation:
During the development of skeletal muscle cells, some myoblasts do not fuse and instead become ______ cells.
If you throw a ball straight up into the air, when is the kinetic energy the greatest?
Question 4 options:
Right before you catch it after it falls back down.
When the ball reaches the highest point and stops briefly.
Half the distance on the path traveling back down.
Half the distance on the path traveling up in the air.
Half distence on the path traveling up in the air.
Explanation:
When the ball is on thr ground there and not moving there is no potential energy or kinetic energy, when the ball is tossed into the air it will reach maximum height which is determined by how much kinetic energy it has (air resistence is important however) when the ball reaches its velocitu is 0 and all of the energy in the system is potential energy, as the ball falls to the ground that potential energy is converted to kinetic energy
If a ball is thrown straight up into the air, the kinetic energy is greatest when the distance is half on the path travelling up in the air. Thus, the correct option is D.
What is Kinetic energy?Kinetic energy is the energy associated with the body which is under motion. Kinetic energy is directly proportional to the distance, mass and velocity of the object.
When the ball is thrown on the ground and is not moving then there will be no potential energy or kinetic energy as the height and velocity is zero when the object is on ground. When the ball is tossed into the air, it will reach maximum height which is determined by the kinetic energy it has and the air resistance when the ball reaches zero velocity and the greatest kinetic energy is observed when the body attains half of the total distance on the path.
Therefore, the correct option is D.
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the division of genetic material in a eukaryotic cell is called
Answer:
Mitosis
Explanation:
two other components of blood
It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss.
what part of the autonomic nervous system is represented in the given image?
5) Which of these best describe a physical change? A) Waste products are formed. B) Biting into a piece of bread. Simple sugars in the small intestine are broken down into glucose. D) Saliva in the mouth breaks the bread into smaller molecules like maltose.
Answer: Biting into a piece of bread
Explanation:
Answer:
B Biting into a peace of bread
Explanation:
I took the test and as well. the first physical thing that changes whenever any type of food goes into your mouth is the way it breaks apart/turns into a smaller part of the food so that your esaphgous can swallow it. Hope this helped :)
Mutations in proto-oncogenes are generally _____ whereas mutations in tumor-suppressor alleles are generally _____.
Answer:
mutations in proto-oncogene are generally cancerous while mutation in tumor-suppressor alleles are recessive and result lost of function
During incubation, antimicrobials applied to the bacterial lawn become increasingly _________ as they diffuse out of the disk into the medium.
Answer:
Meee-boop
Explanation:
Ped0
Which items are TRUE about minerals? Select the three correct answers. (2 points)
Observing one property is often the best way to identify minerals,
Rocks are the components that make up minerals.
Minerals can only be identified by their color and hardness.
Minerals are the components that make up rocks.
O Minerals are naturally occurring substances
Minerals are made of one element or one compound of elements
Answer:
The correct answers are 1) minerals are the components that make up rocks. 2) Minerals can only be identified that make up minerals. 3) Minerals are made of one element or one compound of elements.
Explanation:
I took the test. I got this question wrong but after submitting it, the lesson should me the correct answer.
The items that are true about minerals are:
Minerals are naturally occurring substances.Minerals are inorganic and homogeneous substances, which can be found on the surface of the Earth, formed in it naturally / spontaneously.
Minerals are made of one element or one compound of elements.Minerals are found in various forms in nature since they can be of a single element, such as gold, silver, copper, or a combination of elements, such is the case of some chemical compounds such as quartz, which is formed by silicon and oxygen.
Minerals are the components that make up rocks.A rock is a material that can be made up of a mineral or a combination of them, but its chemical composition is variable.
Therefore, we can conclude that a mineral is a substance produced by processes of inorganic nature which are made of one element or one compound of elements.
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Differentiate How
does telophase II differ from
telophase I?
Answer: Telophase I is the ending phase of the first division of meiosis which would split the parent cell into two daughter cells while telophase II is the ending phase of the second division of meiosis which would split the two daughter cell into four daughter cells and resulting in the end of the process.
Write an equation for the line with slope -5 and y-intercept of 14? O A. y = -5x - 14 O B. y = -5x + 14 HE 0 C. y = -5x + 18 O D. y = -5x + 6 HUSS
Answer:
The equation of a line is written in the form y=mx+b. ”m” is the slope and “b” is the y-intercept. Plugging in the given values, the equation of the line is y=-5x + 14.
:)
Lewis wants to summarize cellular respiration. What points should he include in his notes?
Select all that apply.
role to provide energy for making oxygen role to provide energy for making oxygen
role to provide energy for cells role to provide energy for cells
reactants include carbon dioxide and water reactants include carbon dioxide and water
reactants include a fuel and oxygen reactants include a fuel and oxygen
a series of chemical reactions
Helpppppppp! Its biology related <3 help help !
Describe why enzymes are important in all living organisms?
Answer:
Enzymes are important because they make the chemical reactions in cells happen quickly.
Enzymes, by speeding up biological reactions, ensure that all necessary activities in a cell can take place simultaneously and prevent one particular activity from overtaking the entire cell or organism. This is possible because enzymes allow chemicals to react more specifically with only certain substances rather than reacting indiscriminately with any number of different substances within cells.
The most famous example of this enzyme effect is when stomach acid reacts with pepsin that turns food into a liquid. The body then uses this liquid for absorption through the intestines where nutrients are then used throughout the body. It's important for people to have enough enzymes in order to digest their food fully however if
Explanation:
when nonsister chromatids exchange genes it is called:
Answer:Chromosomal crossover, or crossing over
Explanation:
Chromosomal crossover, or crossing over, is the exchange of genetic material during sexual reproduction between two homologous chromosomes' non-sister chromatids that results in recombinant chromosomes.
A piano player uses her hands for brief quick movements. Which muscle fiber type would you therefore predict to be predominant in these muscles
For brief quick movements, which muscle fiber type would you therefore predict to be predominant in these muscles...Fast twitch muscle fiber type.
There are three types of muscle tissue. 1. Cardiac 2. Smooth 3. skeletal muscles. The skeletal muscle are involved in voluntary movements of the body.
Since the player uses her hand in a voluntary way of movement, therefore she makes use of her skeletal muscles.
With regards to the skeletal muscles, there are two types with regards to speed, we have the slow twitch and the fast-twitch.
The fast-twitch muscle fiber aids in fast movement of the body but for shorter periods compared to the slow twitch.
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1 point
10) Energy being stored in an object that has the potential to do work is
called
a. hydro energy
b. kinetic energy
c. thermal energy
d. potential energy
Answer: D. Potential Energy
Explanation:
The energy stored in that object has the potential of doing something/becoming kinetic energy.
PLS HURRY
Why are fossils important to developing a theory of evolution?
Answer:
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today. ... Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms
Explanation:
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today. ... Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms
The preserved remnants or traces of extinct animals, plants, and other organisms are known as fossils. Because they demonstrate that earlier life on Earth was distinct from the life observed today, fossils are crucial pieces of evidence for evolution.
What is evolution?According to the idea of evolution, modern life forms have evolved from more ancient ones.
The original theory suggested that this occurred slowly and gradually, but fossil evidence suggests that the process occasionally went wrong and engaged in some very bizarre experiments.
Therefore, they demonstrate that earlier life on Earth was distinct from the life observed today, fossils are crucial pieces of evidence for evolution.
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a. both
b. neither
c. the inside of the cell
d. the beaker
Answer:
c
Explanation:
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Maxine miles runs a marathon in 2 hours and 40 minutes. most of the atp for this activity is supplied by:
Maxine miles runs a marathon in 2 hours and 40 minutes. Most of the ATP for this activity is supplied by AEROBIC glucose breakdown. ATP is the energy coin of the cell.
Cellular respiration refers to the metabolic processes by which aerobic cells produce ATP by using the energy stored in the chemical bonds of foods (e.g., glucose) and oxygen.
Muscle cells can produce ATP by both cellular respiration (aerobic conditions) and acid lactic fermentation (anaerobic conditions).
Acid lactic fermentation is a less efficient pathway than cellular respiration, but cellular respiration is slower than fermentation, thereby muscle cells use this pathway (acid lactic fermentation) when there is not enough oxygen in the body.
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This process involves DNA replication, which duplicates chromosomes
Mitosis
Meiosis
Both Mitosis & Meiosis
Answer:
Meiosis
Explanation:
Meiosis is the spliting of sex cells or chromosomes through the PMAT phase twice. Mitosis is the splitting of body cells such as skin cells ect. and only goes through PMAT once.
Oi, Its worth 40 points, plus brainliest to best answer.
Use the graph and the information provided to answer the questions.
Stickleback fish protect themselves from predators with a thick covering of brownish plates. They feed on
small aquatic organisms and are preyed upon by bigger fish like trout. In a certain lake, the number of
stickleback fish was documented over a period of 30 years. During this time, the clarity of the lake water
also changed.
1. How did the occurrences of the different traits change over the 30-year period? Use evidence from
the graph to support your answer. Using what you know about natural selection and adaptation, what
generalization can you make based on these changes?
Explanation:
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just kidding the answer is
every time the differences will change because of the large fishes which kill the small ones and the fishes het big like in one big fish there will be 100 of small fishes like the megladon
during this blood also leaks and the colour of the lake changes
Answer:
In each instance, the variations in fish populations are subject to change due to the predation of larger fish on smaller ones. As a result, the surviving fish grow larger, akin to the manner in which the Megalodon can have hundreds of smaller fish within its body. This process can also result in the release of blood, which has the potential to alter the color of the surrounding water body.
Explanation:
Which of the following is TRUE about ovarian cysts?
Answer:
d. All of the above
Explanation: is correct.
Answer:
ALL OF THE ABOVE
Explanation:
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Which two activities are practical applications of magnetism?
A. Separating steel nails from aluminum nails
B. Using the North Star to find which way is south
C. Hammering steel nails into wooden boards
D. Finding which way is north with a compass
Answer:
It is d and a
Explanation:
What is the name given to the network of smaller blood vessels providing nutrition to the walls of large blood vessels
Answer:
capillaries
Explanation:
What might scientists learn about the evolution of human behavior from studying cognitive behavior in animals?
Answer:
When we gain insight into animal behavior, we are in a stronger position to understand vexing conservation problems, such as how to save endangered species, assess environmental quality, design nature preserves, and evaluate the importance of human-related threats to survival in otherwise fit animals.
Explanation:
By which time period did the average
temperature across Earth's surface rise
1.62 degrees F above the 20th century
average, the hottest period in the 136-
year average?
A. 1300s
B. 1500s
C. 1700s
D. 2000s
Answer:
C. 1700s
Explanation:
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Answer:
C. 1700s
Explanation:
How has the average temperature on Earth changed over time?
Earth's temperature has risen by 0.14° F (0.08° C) per decade since 1880, and the rate of warming over the past 40 years is more than twice that: 0.32° F (0.18° C) per decade since 1981. ... From 1900 to 1980 a new temperature record was set on average every 13.5 years; from 1981–2019, a new record was set every 3 years.