Answer:
Radiometric dating methods
Explanation:
Geologists usually use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon to find the age of fossils.
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ariannaajones12004
ariannaajones12004
18 hours ago
Biology
High School
The skin is an organ that protects the body and helps with sensing the environment.
Which of the following is true about skin?
Choose 1 answer:
(A) the skin is made up of tissue.
(B) the skin is made up of different tissues that carry out the same function.
(C) the skin is made up of tissues with different functions that work together.
option c
the skin is made up of tissues with different functions that work together.
hope it helps...!!!
In Cellular Respiration, Glucose is transformed into?
In Cellular Respiration, Glucose is transformed into ATP.
What is ATP?Adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things. ATP captures chemical energy obtained from the breakdown of food molecules and releases it to fuel other cellular processes.
During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose.
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Chemical oceanographers often study pollution because
a) most pollution occurs in the ocean.
b) pollution creates chemical changes.
c) no other field examines the implications of pollution.
d) only chemical oceanography uses the scientific method.
Answer:
Your answer is:
a) most pollution occurs in the ocean.
By which process is water lost from a leaf?
a active transport
b diffusion
c osmosis
d photosynthesis
Answer:
Explanation:
It is transpiration but seeing as it isn't in the options the closest i can think of is osmosis though it doesn't sound right but sorry if its wrong
How can fish farming still deplete ecosystems?
A. Farmed fish often eat wild-caught fish.
B. Fish farming always occurs in the wild.
C. Farmed fish always live in self-contained units.
D.Farmed fish can be fed sustainably grown grains.
Answer:
B.
Explanation:
How does fish farming harm the local ecosystem?
Fish-farming is thought to contribute to eutrophication and the worldwide growth of this industry is of concern. Faeces and uneaten food pellets from fish farms alter the organic matter in the sediment, which can change the consumption of oxygen and cause local eutrophication.
Borh worker and queen bee are developed from fruel eggs .but why workers bee can not reproduce like that of queen bee?
Answer:
------->
Explanation: Why worker egg-laying occurs in honey bee colonies. Usually, colony behavior, egg-laying, and ovary development in worker honey bees are prevented by queen pheromones and open brood pheromones. However, in the absence of these regulating pheromones, workers may develop ovaries that will enable them to lay their own eggs.
If you were building a swimming pool in your yard, what two metric units would be BEST suited for the measurements?
kilometers and milliliters
meters and kiloliters
decimeters and deciliters
centimeters and kiloliters
Kilometers and milliliters are two metric units would be best suited for the measurements of swimming pool.
There are various metric units used for measuring length, mass, area, and capacity. For example, millimeters, centimeters, meters, and kilometers are the metric units of the measurement of length.
Millimeters are used to measure very small but visible-scale distances and lengths. Kilometer is a unit used to measure length or distance.
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When the core of a nuclear reactor completely melts, it is known as a (n) _______.
A) Downstream
B) Meltdown
C) Turbine
D) Ethanol
E) Passive solar cooling
F) Utility
G) First Law of Energy
H) Refinery
I) Isotopes
J) Second Law of Energy
Answer:
B
Explanation:
A core meltdown accident occurs when the heat generated by a nuclear reactor exceeds the heat removed by the cooling systems to the point where at least one nuclear fuel element exceeds its melting point. This differs from a fuel element failure, which is not caused by high temperatures.
Answer:B) Meltdown
Hope this helps
the special type of cell division required to produce gametes is called
Answer: Meiosis
Explanation:
Meiosis creates gamete "daughter cells" that have half the chromosomes as a normal cell that would be created during mitosis, which is the division and reproduction of identical cells from the parent. In humans, a regular 46 chromosome cell divides through meiosis to create gametes with 23 chromosomes. This is important to be sure that an organism that is made through reproduction with sperm and egg has the correct number of chromosomes.
4. Which of the following are examples of matter?
a. Ideas
b. Mountain
C. Chair
d. Water
e. Book
f. Air
g. Gas
h. Light
Answer:
D, C, F, E, A, B, G, H
Explanation:
These all are matter.What is the original starting color for the Glucose indicator?
Answer:
aqua-blue
Explanation:
Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.
If the experimental animals in the chamber were engaged in physical activity, how would this change the results of the metabolism experiment
Answer:
it woud have tow different rezalts
Explanation:
What is considered to be the lowest level of organization in a multicellular organism?.
Answer:
Lower levels of organization in multicellular organisms are cells tissues and organs.
An area is described as having mild temperatures in the summer and being cool and rainy in the winter. on a day in may, the area experienced snow. which best describes this day in terms of weather and climate?
select one:
a. the weather was different from the normal climate for the area.
b. the climate was different from the normal weather for the area.
c. weather and climate were different from the normal properties for the area.
d. climate and weather were changing into a new set of normal properties for the area.
Answer:
the answer is a .IAM sure
1.) What is ''Green Power?''
2.) Do you believe that we need to find alternate, environmentally friendly energy sources?
3.) How many possible ''green power'' options did you find?
4.) What were the options?
5.) Are any of these options being used today?
6.) Which, if any, do you feel are viable energy sources for the future? Why?
7.) Which, if any, do you feel are NOT viable energy sources for the future? Why?
Answer:
green power is power that doesn't hurt the environment or is able to be overconsumed
yes we should
wind solar hydro biofeedback
bio and solar are the most viable
wind bc it can over consume property and become a push factor
Identity the stomata components. record your answer under "" slide 2"" on your lab report
Stomata are involved in gas interchange and transpiration. The components of stomata are the pore, the guard cells, subsidiary cells, and the stomatic chamber.
What are stomata?On the leafs' surfaces, there are small pores that regulate gas interchange and transpiration. These openings are the Stomata.
Gas interchange ⇒ CO₂ gets into the plant, and O₂ leaves it Transpiration process ⇒ water expel
Stomata opening and closure depend on water and CO₂ concentration inside the plant.
These pores are surrounded by two kidney-shaped cells called Guard cells. They expand or contract according to the plants' needs, causing the stomata to open or close.
The space left between these guard cells is the pore.
Other cells that vary in shape and number are surrounding the guard cells and are functionally associated with them. These are the subsidiary cells.
The pore is connected to a wide intercellular space inside the leaves called the stomatic chamber.
According to this framework, the components of the stomata are,
PoreGuard cellsSubsidiary cellsStomatic chamberYou can learn more about stomata at
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Answer:
if this is the slides that you had then the answers for them are
a. guard cells
b. stoma
Explanation:
Had these questions in school, and had the answers in my lessons, you just gotta read carefully.
Have a good day!!
What is NOT a method used to
a
genetically modify organisms?
A. making holes in the cell to get the new DNA
into the cell
B. having bacteria engulf a cell with the new
DNA
C. using a plasmid to insert new gene into the
cell of the organism
Answer:
making hole in the same to get the new DNA into the cell
the basic structural and functional unit of the human body is
What shuffles genes and increases genetic variation in gametes during meiosis, when these homologous pairs are paired up ?
Meiosis is referred to as reduction division as it divides the chromosome number in half. Crossing over or recombination is the main reason of shuffled genes and increased genetic variation in gametes in meiotic cell division as the homologous pairs are paired up during prophase.
What is crossing over?Crossing over is referred to as the exchange of genes of DNA between paired homologous chromosomes. It actually occurs during the development of egg and sperm cells i.e., during meiosis.
It is an enzyme-mediated step, in which the exchange of genetic material takes place between non-sister chromatids of homologous chromosomes.
It actually occurs at the pachytene stage of prophase I of meiosis cell division.
Thus, it can be concluded that the crossing over is the main reason of shuffled genes and increased genetic variation.
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Gram-positive and Gram-negative bacteria are most commonly differentiated in the laboratory by whether __________ .
Answer:
They take up the Gram stain.
If yes, gram positive.
If not, gram negative.
The trna nucleotide sequence that lines up on the mrna is:.
Answer:
anticodon – a sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule. The anticodon sequence determines the amino acid that the tRNA carries.
What evidence is there that strands are from a body cell, and not from a gamete
(sperm or egg)?
Answer:
Explanation:
If we are talking about humans:
If you have a diplod genome (2n) (23 pairs of chromosome = 46 chromosomes total) then you have a body cell.
Gametes have haploid genome (n) = 23 chromosomes.
Use this to understand the evidence given to you.
All living things need nitrogen in order to survive. which organic macromolecules do living
things build using nitrogen?
select all that apply.
a
protein
b
carbohydrates
c
lipids
d
nucleic acids
Nitrogen is an essential component for living cells, as it is involved in synthesis of amino acids and nucleic acids. These amino acids polymerize to form proteins. So the organic macromolecules do living things build using nitrogen is protein and nucleic acids, i.e., option a and d.
What are amino acids?Amino acids are the smallest unit or one can say building block of protein.
It usually have an amino group and a carboxyl group and a side chain. It is linked together by peptide bonds.
As it has an amino group, it requires nitrogen for its formation, and it will ultimately form protein.
Nitrogen is also required for the formation of nucleic acids i.e., DNA and RNA.
Thus, the correct option is a and d.
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Where does the blood go when it leaves the right ventricle?
the brain
the body
the kidneys
Correct
the lungs
Answer:
yea the correct answer is lungs
Which statement describes how the image represents the concept of a common? - A P E X
A. Regulations can prevent the pollution shown in the picture.
B. Multiple households can cause pollution in a lake.
C. Nutrient pollution can cause algae to grow.
D. Lakes have still water whereas streams have running water.
The statement that best describes how the image represents the concept of a common is "Regulations can prevent the pollution shown in the picture." Option A. This is further explained below.
What is pollution?Generally, pollution is simply defined as the presence of dangerous material in the environment.
In conclusion, "Regulations may help to avoid the pollution seen in the image" encompasses the concept of a common as regulation causes a common effect.
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Answer: B. Multiple households can cause pollution in a lake.
Explanation: I just got the question correct.
scientists use the scrence called to classify organisms based on how they are
Scientists use the scrence called to classify organisms based on how they are micromorphologically and macromorphologically.
What is taxonomy?The basis of taxonomy studies is nothing more than the classification of living beings into groups, to assist with greater precision in the final results of any experiment carried out with them.
it should be science, provide more information in explanation
Taxonomy is the area of Biology that
classifiesorganizes and describes living beings.It is like a library that organizes each group into its categories, in an order that facilitates understanding and searching for features.
With this information, we can conclude that scientists use the scrence called to classify organisms based on how they are micromorphologically and macromorphologically.
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an element found in group 17 of the periodic
table
What is the scientific name for a bacterial cell?
Answer:
Prokaryotic cells
Explanation:
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Thank you
Osmosis is like diffusion but refers to the movement of
Check all that apply
Salt
Large organic molecules
Water
small organic molecules
Why is commensalism important in a diverse ecosystem? (or just important in general) IMPORTANT I REALLY NEED THIS YOU DONT KNOW HOW MUCHmarking brainliest
Answer:
It is important for mating, eating and mutual relationships within the ecosystem. It brings life and help to the creatures and organisms within the system. it creates mutual and parasitic relationships.
Explanation: