The diagram below compares the amounts of common elements found in the
human body.
Which elements are the labels 1 and 3 most likely to represent?
The most common element in the body is oxygen and the third most common element is hydrogen. So the correct option is C.
What is the chemical composition of the human body?Most of the elements that are present in the human body are present in the form of compounds. Six of the most common elements of the human body make up about ninety-nine percent of the mass of the human body.
These are
Oxygen - 65% Carbon - 18% Hydrogen - 10%Nitrogen - 3. 3%Calcium - 1.5%Phosphorus - 1%Thus, it's safe to say that oxygen is the most abundant element and hydrogen is the third most abundant element according to mass.
Water is the most common compound. One molecule of water has one oxygen and two hydrogen atoms. But the mass of the oxygen atom is more than the combined mass of two hydrogen atoms.
Therefore the correct option is C.
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Using the information you gathered, write a paragraph that describes conditions in the ecosystem.
Answer:
An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts
Explanation:
I hope it helps btw please follow me & please mark me as the brainless TYSM
Cấu tạo và tập tính của thỏ
Which of these is a nucleotide?
Answer:
is the mask secure
Explanation:
for body
how did the river in western europe affect its economic development
Answer:
Western Europe's landscape consists of plains with mountains that cut through in some places
Explanation:
According to evolutionary theory, species that exist today are the result of a
slow, continuous change of living things over time. Why is this considered to
be a theory and not a law?
O A. Evolutionary theory is a description based on observations. A law
is based on mathematical calculations.
B. Evolutionary theory may change when new evidence is found that
does not support the theory. A law has been proved with scientific
evidence.
C. Evolutionary theory is an educated guess. A law is supported by
extensive research,
D. Evolutionary theory is an explanation of how living things have
changed over time. A law describes natural events but does not
attempt to explain them.
Answer:
B: Evolutionary theory may change when new evidence is found that does not support the theory. A law has been proved with scientific evidence.
Explanation:
it could also be "C" im not sure which one
i accidentally responded but i cant delete it so im just gonna edit it
A chef uses a kitchen strainer to separate spaghetti noodles from water.
A strainer is like a filter that allows certain items through, but not others. Which of the following cell parts functions similarly to a strainer?
mitochondrion
⊝
cell membrane
⊝
ribosome
⊝
nucleus. HELP PLEASEEE
Given what we know about biological structures, we can confirm that amongst the options listed, the one that most closely resembles the function of the strainer is the cell membrane.
A cell membrane is a barrier that acts as protection and provides mechanical support to a cell. The cellular membrane of a cell is composed of a bilayer of phospholipids, which contain a hydrophilic head towards the interior and exterior of the cell, and a hydrophobic pole directed towards the center of the membrane.
This design allows the cell membrane to be semi-permeable. What this means is that the cell membrane has the ability to allow the passage of certain substances like water and polar ions, while keeping unwanted substances out, much like the strainer described in the question.
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how does water depth affect marine life
Answer:
At deep-sea depths, the pressure is unimaginable, yet many creatures have no problem living there. ... Deep-sea pressures do affect chemical reaction rates somewhat, speeding up reactions. Organisms adapted to these pressures may experience metabolic problems when brought to the surface for study.
Explanation:
PLEASE HELP ME ON THIS ITS REALLY IMPORTANT THAT I FINISH IT NOW BECAUSE ITS 1:08 AND I HAVE SCHOOL AT 6:00
Answer:
not sure but you could do these
Explanation:
what was the last thing you ate?
where did you eat?
what was the last place you went? (as in maybe you touched something that had a bacteria)
hope these are helpful :)
Someone please help meeee
Answer:
NO
Explanation:
Mass is neither created nor destroyed
Which of the following describes how abiotic factors affect an ecosystem's biotic factors? (1 point)
O
The abiotic factor of invasive plant species can change the ecosystem to make it impossible for living
organisms such as salamanders to survive
O
The abiotic factor of increased temperature can affect the salt levels of the rivers and lakes by increasing
the salinity (saltiness)
о
The abiotic factor of increased levels of algae positively affects the population of local fish species by giving
them more food to eat.
O
The abiotic factor of strong hurricanes can change the salt levels of the wetlands, which makes it
impossible for many living organisms to survive.
Answer:
A: The abiotic factor of strong hurricanes can change the salt levels of the wetlands, which makes it impossible for many living organisms to survive.
Explanation:
I think this is right hope it helps
what are the two genotypes which may lead to the determination of blood type A
Answer:
If someone has blood type A, they must have at least one copy of the A allele, but they could have two copies. Their genotype is either AA or AO. Similarly, someone who is blood type B could have a genotype of either BB or BO. A blood test of either type AB or type O is more informative.
Answer:
If someone has blood type A, they must have at least one copy of the A allele, but they may have as many as two copies of the A allele. Their genotype may be classified as either AA or AO. Similar to this, someone with blood type B might have either the genotype BB or the genotype BO. A type AB or type O blood test is more informative than a type AB or type O blood test.
Explanation:
Hope it helps:)
Which of the following best describes the arrangement of particles in a gas?
The particles are spread apart and cannot move freely.
The particles are packed closely together and can move freely.
The particles are spread apart and can move freely.
The particles are packed closely together and cannot move freely.
Answer:
Particles in a: gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern. so your answer is
Explanation:
A
Hope this helps bruv
Answer:
c
Explanation:
i think
During the winter season, jet stream winds are likely to move faster.
- True
- False
Answer:
t i think
Explanation:
Using your results for change in oxygen concentration as a reference, discuss whether your
results from Procedure i confirm research findings about differences in the amount of
chlorophyll production for sun-adapted and shade-adapted leaves
There is difference in the amount of chlorophyll production for shade adapted and sun adapted leaves.
There are differences in the amount of chlorophyll production for sun-adapted and shade-adapted leaves because there is less number of chlorophyll on sun adapted leaves whereas shade adapted leaves have higher amount of chlorophyll in order to catch maximum amount of sunlight for the process of photosynthesis.
There is large amount of oxygen produced by the sun adapted leaves due to higher rate of photosynthesis as compared to shade adapted leaves so we can conclude that there is difference in the amount of chlorophyll production for shade adapted and sun adapted leaves.
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3) Elements such as oxygen, nitrogen, and carbon cycle through a system once.
True
False
The statement elements such as oxygen, nitrogen, and carbon cycle through a system once is absolutely incorrect.
What do you mean by Element cycling?The element cycling may be defined as the decomposition of organic matter into its constituent elements for re-use in the ecosystem.
Elements such as oxygen, nitrogen, and carbon cycle are cycled into and out of the environment multiple times. These elements are released by their source compounds into the atmosphere where they are mixed with their derivatives and again come to our surroundings to fulfill organisms' requirements.
Therefore, the statement elements such as oxygen, nitrogen, and carbon cycle through a system once is absolutely incorrect.
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It is a false statement. Elements like oxygen, nitrogen, and carbon undergo continuous cycling through various processes, sustaining life on Earth.
The assertion is false. Oxygen, nitrogen, and carbon are examples of elements that continuously cycle through the Earth's numerous biogeochemical processes rather than passing through a system just once. For instance, the carbon cycle describes the flow of carbon between the atmosphere, living things, soil, and seas. This exchange occurs as a result of photosynthesis, respiration, and decomposition.
Similarly, through nitrogen fixation, nitrification, and denitrification, nitrogen moves through the atmosphere, soil, and living things. Additionally, oxygen is constantly moving, being produced by photosynthesis and absorbed by respiration. The equilibrium of Earth's ecosystems and the support of life depend on these cycles.
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Type your response in the box.
All organisms need natural resouces from their environment to survive. Select any plant or animal, and describe three resources at the organism needs for survival.
Answer:
The Brown Bear
-food source such as a lake or river with fish
-a lake or river as a water source
-shelter
Answer:
Lions.
Explanation:
Grasslands and Savannahs - These areas accomodate plenty of cover and shade as well as plenty of water.
Temperature/Climate- The weather has to be between 20 and 30 degrees Celcius because, they are very sensitive to extreme heat.
Space: They maintain the boundaries of their territory, which can be as large as 260 sq. km
after ethanol treatment gram negative bacteria can be visualised
Answer:
Explanation:
The decolorizing agent, (ethanol or an ethanol and acetone solution), interacts with the lipids of the membranes of both gram-positive and gram-negative Bacteria. The outer membrane of the gram-negative cell is lost from the cell, leaving the peptidoglycan layer exposed.
the activity of cambium ring lead to the formation of
Answer: Secondary Tissues
Explanation: They are the xylem and phloem.
2. Production of oxygen during photosynthesis
a. occurs during the light-independent reactions.
b. is a direct result of the electron transport chain.
c. is the byproduct of the breakdown of water.
d. is the primary goal of photosynthesis.
Answer:
B. is a direct result of the electron transport chain.
Explanation:
Hope this helps :)
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The daughter atom formed by the alpha decay of has a mass number of ?
Answer:
I think the answer to your question is 4u
Explanation:
an alpha particle is identical to the nucleus of a helium for Adam which consists of two protons and two neutrons it has a charge of 2 + C and a mass of 4 U
In which state of matter are the particles least tightly arranged?
The particles are arranged the same in all states of matter.
solid
liquid
gas
A poison placed on the tips of darts by natives of the Amazon rainforest paralyzes prey such as small mammals. Which
of the prey's cells are most likely affected by the poison?
Explanation:
Muscle Sense
The poison dart frog gets its name from a group of Amazon indigenous people who cover the tip of their darts with the frog poison to kill their prey
que pasaría si un organismo de la red trófica desapareciera
Respuesta:
La respuesta más simple posible sería decir que toda la red alimentaria colapsaría y todos los organismos de la red morirían de hambre. ... Eso es porque la vida vegetal suministra la energía inicial al sistema de la red alimentaria. Sin plantas, no hay alimento para los herbívoros.
¡Espero que esto ayude!
describe the fate of pyruvate and nadh produced by glycolysis
Answer:
Pyruvate turns into acetyl CoA through pyruvate oxidation
Explanation:
1:what's the meaning of cell?
✓ cell: is the smallest structural of unit of life.
Answer:
your are also giving right answer of question which you are posting
Explanation:
good job
Which organisms are likely to be found in the level labeled 4 in this diagram?
Select the two correct answers.
600
m.
1550
Trophic Level
N
17000
1
340000
A. Owl
I B. Snake
MY C. Tree
D. Rat
I E. Wolf
Answer:wolf & owl
Explanation:
Just took the quiz
The organisms that are likely to be found in the level labeled 4 in the diagram are Wolf and Owl.
What is Trophic levels?Trophic levels refer to the feeding positions of organisms in a food chain or food web. They are often used to describe the transfer of energy and nutrients through an ecosystem.
In a food chain, the trophic level is determined by the position of an organism in the chain relative to the primary source of energy, which is typically the sun.
Trophic level 4 represents tertiary consumers, which are carnivores that feed on other carnivores. The wolf is a tertiary consumer that feeds on other carnivores such as coyotes, foxes, and sometimes other wolves. The owl is also a tertiary consumer that feeds on other carnivores such as mice, rats, and other birds.
Therefore, options A and E, which represent the Wolf and Owl, respectively, are the correct answers. Options B, C, and D represent organisms that are not likely to be found in trophic level 4.
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1. Research the history of DNA analysis in forensic science and create a timeline to show its evolution over the years.
2. Write a report based on a news article wherein a court wrongfully convicted an individual of a crime, but the person was later released based on DNA evidence. Discuss how science and technology helped in this case.
3. Write a report based on a news article wherein a court convicted an individual based on DNA evidence years after the crime took place. Discuss how science and technology helped in this case.
Answer: this is what i wrote, hope it helps (its a screenshot because brainly wouldn't let post with some of the words i used)
Considering the function and composition of various types of shells, explain why turtles, clams, and crabs all have shells but are in different phyla.
Turtles, Clams, And Crabs all have shells but are grouped in different phyla because turtles' shells originated from rib bones million years ago and not from chitin seen in Clams and Crabs.
Turtles are ancestrally from the lizard and snake families. The early turtle are known for their hard ribs which protects them and also help in buoyancy.
Overtime, they started out as big rib bones which grew and hardened to become shell that are seen with modern turtles.
The shell serves as armour which protect them from being consumed by predators. And this is regarded as an adaptive feature for turtles survival in their habitat.
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what evidence supports the hypothesis that whales evolved from land-dwelling mammals?
