Answer:
The three primary methods are Radiation Measurement.
Explanation:
Radiation Measurement and the Fossil Record are the two methods used to show the age of Earth.
How earth's age can be calculated?Radiation Measurement and the Fossil Record are the two methods which are used together to demonstrate the Earth is at least 3.8 billion years old because these two methods provides evidence for the presence of life on earth.
So we can conclude that Radiation Measurement and the Fossil Record are the two methods used to show the age of Earth.
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What is photosynthesis? where does it take place in a plant and what products are produced as a result?
please help me with this question
Answer:
Photosynthesis is when a plant makes food for itself and releases oxygen.
Explanation:
Photosynthesis takes place in the chloroplast of a plant cell, the plant absorbs the light from the sun, takes in carbon dioxide (CO2), and absorbs water from either water on the leaves, or ground water soaked up by plant roots. The light, water, and carbon dioxide get turned into glucose (plant sugar) and oxygen. For humans, they take in sugar and oxygen, and using cellular respiration, they turn the oxygen and sugar into carbon dioxide.
Describe the function of the stomata in a plant. Question 5 options:
Produces sugar
Lets gasses and water vapor pass in and out of a plant
Captures sunlight
Produces energy
Answer:
It would be B. lets gasses and water vapor pass in and out of a plant.
Explanation:
Stomata are typically found in plant leaves but can also be found in some stems.
What are some factors that could positively affect respiratory volumes and capacities?.
Answer:
health
Explanation:
positivity, I guess good health let's more air in and out Proberly
How to tell if a pedigree is dominant or recessive?.
Answer:
If the trait is dominant, one of the parents must have the trait. Dominant traits will not skip a generation. If the trait is recessive, neither parent is required to have the trait since they can be heterozygous.
Explanation:
Farmers can trigger uniform ripening times in fruit by treating plants with ________. Ethylene ethylene oligosaccharins oligosaccharins jasmonates
Answer:
ethylene is the blank word
Explanation:
Farmers can trigger uniform ripening times in fruit by treating plants with 2. ethylene.
Ethylene is a plant hormone that plays a crucial role in the ripening process of fruits. It is a gaseous hormone that acts as a signaling molecule, influencing various physiological processes in plants, including fruit ripening.
When plants produce ethylene naturally, it acts as a signal to initiate and coordinate the ripening of fruits. Ethylene triggers a cascade of biochemical and physiological changes that lead to fruit softening, color development, flavor enhancement, and aroma production.
Farmers can exploit the role of ethylene in fruit ripening by treating plants with exogenous ethylene. By applying ethylene to fruit crops, farmers can induce uniform ripening times, ensuring that the fruits in a crop reach the desired stage of ripe-ness simultaneously.
This technique is particularly useful for commercial fruit production, where uniform ripening is desirable for efficient harvesting, storage, transportation, and marketing purposes. It allows farmers to coordinate the timing of fruit ripening, leading to more consistent quality and appearance across the crop.
It's worth noting that other methods can also be used to manipulate fruit ripening, such as the use of synthetic plant growth regulators or other hormones. However, ethylene is one of the primary hormones involved in the natural ripening process, and its exogenous application is a commonly used method to trigger uniform ripening times in fruit crops.
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The complete question is:
Farmers can trigger uniform ripening times in fruit by treating plants with ________.
1. oligosaccharins2. ethylene3. jasmonateswhat are two parts found in plant cells that are not in animal cells
Answer:
The two parts that found in plant cells that are not in animal cells:
Cell WallChloroplastExplanation:
MY GOD HURRY UP PLEASE I BEEN WAITING ALL DAY FOR HELP!
Do it like this! ANSWER ALL 5
Question 1 answer
Question 2 answer
Question 3 answer
Question 4 answer
Question 6 answer
Answer:
Question 1 answer
Plate tectonic began in 1915 when Alfred Wegener proposed his theory which was continental drift. Usually scientists use waves to study the difference of the layers of earth. They use seismic waves. seismic waves are generated by earthquakes or nuclear-test explosions.
Those 3 pieces would be the fit of the continents, paleoclimate indicators, and geologic features. The rock formations of eastern North America, Northwestern Africa and Western Europe were found later to have a common origin. They were found to overlap.
Question 2 answer
Location 1: The ocean waves atlantic
Location 2: Platforms
Location 3: Sea stacks pacific
Question 3 answer
(This is in the ss)
I dont know the other ones sorry
what is the genotype of parent 2?
Answer:
Scientists use the term genotype to refer to the combination of mother and father genes in the person's make up. AA, AO and OO are the 3 genotypes that may result from the mating of the parents in the example above. Scientists use the term phenotype to refer to what gene is actually expressedPlease help in science!! Need answer asap!! With clear explanation please!!
How is a viral reproduction different from the reproduction of a living cell?
Which of the following animals is showing a seasonal change to winter?
Answer:
Bear shedding fur
Explanation:
Like dogs, bears lose some of their soft, dense insulating underfur as well as some of their coarse outer guard hairs when temperatures climb. That’s why bears can look very scruffy by late summer. As the weather cools and they layer on fat for hibernation, their underfur and guard hairs grow back.
See image please :)
please help me love you thanks
Answer:
E.
Explanation:
draw a labeled diagram of the brain
6. Which of the diagrams above BEST illustrates equilibrium?
a.A
b.B
c. C
d. D
EPA scientists performed an experiment where coal was
burned in different chambers at varying temperatures to see
how temperature impacts the amount of NO, produced by
coal combustion.
Explain how the results of the study would be expected to
change if the same experiment were repeated with natural
gas.
The results of the study would be expected to change if the same experiment were repeated with natural gas in the area of a decrease in the reaction time.
What is Reaction time?This is the time frame between when a stimulus and a response or total time taken for a reaction to occur.
Natural gas produces steady amount of heat with a higher temperature which leads to a decrease in reaction time.
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Answer to 20…………………..
What is happening to the DNA molecule in the figure?(Explain the first step in DNA replication)
The hydrogen bonds are breaking and the DNA is separating into two
Use the diagram to answer the following questions:
In which phase above do sister chromatids line up at the middle of the cell?
is it b or f?
Answer:
f i think
Explanation:
What is one situation in which population density could have a negative impact on the production of offspring?
Answer:
Population growth decreases as the population density increases.Explanation:
This may be true for non-human populations but our species has developed the ability to modify the environment to sustain a huge population size.
Population growth decreases as the population density increases. If the individuals of a population are less and spaced widely apart, it may seldom encounter one another, making reproduction rare.
What is population density?Population density can be defined as the average number of people reside in a given area and it is calculated by dividing the total number of people in a certain area by the size of the area.
The measurement of population density is normally represented as the number of people per square kilometer, several physical factors like space constraints, land topography, resources, and climate can affect population density.
Other Human factors like politics, lifestyle, and economics can affect population density; Extreme climate means too cold, hot, wet or dry, too high and too steep, Infertile land
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In a cattle breed, dark red color is incompletely dominant to white. The hybrid condition is roan in color.
What is the % chance of having a dark red calf if two roan cattle are bred?
Answer:
There would be a 60% since the dark red color is incompletely dominant, that would contrast different with the white breed. Having a dark red calf is possible but there can also be in the mid low percentanges.
Why is a plant classified as an autotroph
Answer:
because of how it lives
Explanation:
Which level of producers or consumes would be MOST affected by trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds
The secondary level of consumers will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds.
What are ProducersProducers are mainly plants that undergo photosynthesis to produce carbohydrates and oxygen.
ConsumersConsumers are herbivores or canivores or omnivores that feed on primary producers like plans and others.
Consumers can be primary which feed on plants examples are goats.Secondary consumer are canivores that feed on meat of other animals, they feed on primary consumer.Tertiary consumers feed on both plants and meat of other plants.Therefore, The secondary level of consumers such as fish will be affected trace amounts of pesticides, like DDT, that run off into lakes, streams and ponds because they live in water and their food is in water. Once the substances are in their water, it will become toxic and can lead to their deaths.
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Alleles for the A and B blood cell antigens are codominant. The condition
where no antigens are present on the blood cells (type O blood) is a
recessive trait. Which set of parents can most likely produce a child with
type O blood?
Blood Type
Gone
Can Race
Blood From
A
А
AA
AD
A or o
AM
B
30
BO
Boro
AB
AB
A,B,
AB, O
o
8
00
o
HELPPPP
Answer:
can you be more specific
The steps of the scientific method are listed below. Check the box next to each step of the scientific
method that you think communication plays an important role in.
Ask a question based on observation and research.
Form a hypothesis.
Make a prediction.
Perform an experiment.
Analyze results and draw conclusions.
Accept or reject the hypothesis.
Record and communicate results.
Answer:
It's the first one, never is ask a question first. hypothesis is first.
Explanation:
Answer:
A,E,G
Explanation:
Which disease is caused by an organism that is unicellular?
A. Bacterial pneumonia
B. rabies
C. common cold
D. influenza
A Bacterial pneumonia
bez all other r acellular which means they r not made up of cell
all other diseases are caused by viruses which r proteins coats around the RNA or DNA but they r not complete cell
Extra point :- Virus r intermediate between living and non living.
what does it mean "all vertebrates ate chordates but all chodrates are not vetebrates" ?
Answer:
It means vertebrates notochord is replaced by vertebral column (backbone), however vertebral column is not present in protochordates.
Explanation:
Hope this helps:)
"Does Exercise Increases Cellular Respiration?"
What do you think and why?
Answer:
yes
Explanation:
The reason why exercise increase cellular respiration is that when you do exercise daily it tend to make you release all the respiration in you that is bad
1. Name two biological processes that require cell division
2. Describe the relationship between the following terms: Chromosome, DNA and gene.
3. Why do you think it’s important that the DNA is copied before a cell divides?
Answer:
1.) Mitosis and Meiosis
In mitosis, a somatic cell divides in order to create two identical daughter cells. In meiosis, a germline cell divides twice to create four gametes.2.) A chromosome consists of two sister chromatids, each made up of tightly wound DNA. On these DNA strands are genes, which are specific sequences of nucleotides.
3.) It is important that the DNA is fully copied before the cell divides because cells always need DNA. If the DNA is not copied, one of the new daughters cells would not contain any DNA. Without DNA, the cell will no longer have the instructions necessary to perform its normal functioning.
Which of these statements are true of DNA replication during the cell cycle?
Answer:
Explanation:
The statements that are true with respect to DNA replication are:
A. DNA replication is semiconservative.
D. The cell leaves S phase with two copies of each of its chromosomes.
DNA replication can be defined as a semiconservative biological process, through which two (2) identical replicas of deoxyribonucleic acid (DNA) molecules are produced from an original deoxyribonucleic acid (DNA) molecule, especially during cellular division.
Hence, DNA replication is a semiconservative biological process which involves the duplication of a double-stranded DNA to produce two (2) identical deoxyribonucleic acid (DNA) molecules i.e one (1) original and one (1) new strand.
We can deduce the following points from the above:
DNA replication is a semiconservative biological process.
During the S phase, the cell leaves with two (2) identical replicas of deoxyribonucleic acid (DNA) molecules i.e two (2) copies of each of its chromosomes.
but you didn't state your statements so I can't really tell what statements you had.
From what does oil form?
A.) terrestrial plants
B.) dinosaurs
C.) lava or magma
D.) marine organisms
Answer:
A i believe
Explanation:
Answer:
D.
Explanation: Oil formed from the remains of marine plants and animals that lived millions of years ago, even before the dinosaurs.