Most stars seem to move across the night sky because
a. the universe is expanding
b.the universe is getting smaller
c. Earth is orbiting the Sun
d. Earth is spinning on its axis

Answers

Answer 1

I think it is C but uh if its not D Hope this helps-

Explanation: because


Related Questions

what role do the muscles and blood vessels play in the negative feedback loop of thermoregulation?
a. sensors
b. integration centers
c. stimuli
d. effectors

Answers

Answer:

This answers may help you

How many chromosomes would you expect to be in the daughter cells of the mosquito after mitosis? When starting with 6

Answers

Answer:

i think it would be 12 since during mitosis it creates identical daughter cells which doubles up cells.

Explanation:

Answer:

12

Explanation:

If an individual has the genotype AaBb, what are the combinations of alleles that would be
found in their gametes?

Answers

Answer:

There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele. Both parents produce 25% each of AB, Ab, aB, and ab.

I hope this helped

The combinations in the alleles that are carrying out the genotype of AaBb then at that stage the alleles combinations that will be present in their gametes will be AB, ab, Ab and aB.

What is a genotype ?

It is defined as the genetic expression of an individual. It defines the traits  and the characters that are present in the individual in order to decide the phenotype of an individual.

In the genotype of AaBb, it is the combination as the both of the genes copies are present and in this case due to very obvious reasons it is the capital one that is going to express itself. The other genes are definitely present but with a effect that will be covered out by the dominant one.

The 4 combinations that will be present are  AB, ab, Ab and aB where the 1st one where the both of the dominant ones will be present will be carrying the dominant genes, ab in this the recessive ones will be present and in others ones, one dominant and one recessive is present.

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Which best explains why DNA technology is important for disease prevention?
A: It can help detect if a person is prone to certain diseases.
B: It can manipulate genes to express desirable traits
C: It can treat diseases with the help of genetically modified food
D: It can increase the genetic diversity of a species.

Answers

The answer is A: it can help detect if a person is prone to certain diseases

How does DNA copy itself

Answers

Explanation:

DNA unwraps itself before cell division. It helps that each side of the double helix is in opposite direction of the other. Then the DNA polymerase travels around each strand and binds the complementary nucleotides (DNA's building blocks). The process is called DNA replication.

A population of sixteen emu grew to thirty-nine in one year. After two years, the population had grown to forty-eight. The maximum number of emu that the environment can support is approximately sixty due to limited resources such as food and water.


What is the carrying capacity of the emu population?

sixteen

thirty-nine

forty-eight

sixty

Answers

Answer: D. 60

Explanation:  Answer is correct in Edge!!! TRUST ME!!! I'm Brainly!!!  :)  

The carrying capacity is the maximum number of individuals that an environment can support given its available resources and here that is approximately sixty that is the last option.

What is emu population carrying capacity?

in the case of the emu population, the environment may have limited resources such as food and water, which could limit the population size even if there are no other limiting factors. As the population grows, competition for resources could increase, making it harder for individuals to find enough food and water to survive and reproduce.

This could cause the growth rate to slow down or level off as the population approaches the carrying capacity. Other factors that could limit the emu population size include predation, disease, and habitat destruction. If there are predators that feed on emus, the population size could be limited by the availability of prey. Similarly, if there are diseases that affect emus, the population size could be limited by the spread of the disease.

Hence, approximately sixty is the carrying capacity in this case that is the last option.

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How did the invention of the microscope contribute to knowledge about 1p living things?​

Answers

Answer:

It made it possible for people to discover and learn about cells.

Explanation:

The cell is the basic unit of structure and function of all living beings. A cell can also be defined as a morphological, functional, and reproductive unit of all living beings.

Every living organism is made up of one or more cells. All cells are created from an existing cell. A cell is the smallest unit that has all the characteristics of life. A set of cells of similar or the same appearance, embryonic origin, and function is called tissue.

The science that studies the cell is called cytology. There are organic and inorganic compounds in the cell. Of the inorganic compounds, water and salts are the most common. Organic compounds in the cell contain carbohydrates, fats, and proteins.

please help me!! 15 points!

Answers

More fossils found were of larger oranisms than of dinosaurs

why are bacteria good for copying large amounts of dna

Answers

Answer:Bacteria become ‘factories’ that produce a large number of copies of the recombinant DNA. There are several reasons for the use of bacteria as the host in the recombinant DNA technology. They are; Bacterial cells are easy to grow, maintain, and manipulate in a laboratory.

Explanation:You might wanna change some words i just found it somewhere

Humans have greatly increased the level of in the atmosphere. O A. argon B. oxygen O . C. carbon dioxide O D. nitrogen

Answers

Answer:

Humans have greatly increased the level of in the atmosphere. O A. argon B. oxygen O . C. carbon dioxide O D. nitrogen

=carbon dioxides

Answer:

C

Explanation:

Think of the greenhouse effect. The burning of fossil fuels causes carbon dioxide emissions.

Dichotomous key for leaves

Answers

Answer:

I believe that your answer is Magnolia.

What would be the concern if a high percentage of cells were in some phase of Mitosis?

Answers

Answer:

When cell division goes wrong, harmful mutations affect the daughter cells

When these errors are not corrected, one of the daughter cells will be born lacking a particular chromosome while the other will inherit an extra copy of the chromosome

Explanation:

A mountain climber climbs to the summit of a 7 km mountain and then returns to his campsite located at the base of the mountain. Explain what happens to the temperature and pressure as he ascends to the summit and returns to his campsite.

Answers

Answer:

Temperature reduces and pressure increases as he ascends to the summit while the reverse of this happens when he returns to his campsite

Explanation:

When a person climbs a summit, the pressure increases but the temperature reduces. but as he returns to his campsite the normal temperature and pressure are regained which means the pressure reduces and the temperature increase.

The temperature and pressure decreases as he ascends the mountain and increases as he descends the mountain.

We know that temperature and pressure decreases with altitude. In fact, the temperature decreases by 6.5°C for every 1000 meters increase in altitude. Hence air pressure decreases with increasing altitude.

Hence, for a mountain climber, the temperature and pressure decreases as he ascends the mountain and increases as he descends the mountain.

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There are many different types of cells with many different types of cellular structures and functions. Which of these structures is found in all types of eukaryotic cells?
A. chloroplast
B. cell wall
C. nucleus
D. centrioles​

Answers

Answer:

nucleus

Explanation:

chloroplasts and cell walls are only found in plant (and fungi) cells, while centrioles are only in animal cells.

The structure that is found in all types of eukaryotic cells is the nucleus. The correct option is C.

What are eukaryotic cells?

Eukaryotic cells are those cells that contain true cell organelle. These cells are present in the higher organism, and they perform complex functions like replication, mitosis, etc.

There are two types of cells. They are prokaryotic and eukaryotic cells. Prokaryotic cells are those that do not contain an organelle and a nucleus. They are present in smaller organisms.

The nucleus is the brain of cells. It controls all functions of cells, and it contains the genetic material of the organisms. In prokaryotic cells, the nucleus is absent and in eukaryotic cells, the nucleus is present. That is the difference between them.

Thus, the correct option is C. nucleus.

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Help me ASAP! CORRECT ME IF AM WRONG TY BOYS AND GIRLS

Answers

Answer:

CORRECT

Explanation:

When does Algal Bloom occur?

Answers

Answer:

Explanation:

Algal bloom occur when there is too much of nutrients especially nitrogen and phosphorus which enhance more growth of algae and green plants in the water either fresh water or Marine water. When there is increase in algae growth, some die and cause discoloration of the water and pollution in the water.

Which is a major factor that limits cell growth?

Answers

Answer:

ratio of surface area to volume

Explanation:

rates of protein synthesis, and determined by surface area

7. B=brown eyes
b= blue eyes
What is true about these two brothers that have brown eyes:
One has genotype BB the other Bb.
a. they have same phenotype and genotype
b. they have different genotypes and phenotypes
c. they have same phenotype but different genotypes
d. they have same genotype but different phenotypes

Answers

C definitely c hope this helps

The truth about these two brothers that have brown eyes is they have the same phenotype (Brown) but different genotypes (BB and Bb). So, the correct option is C.

What do you mean by Genotypes?

Genotypes may be defined as a given set of alleles that an individual possesses. They are ultimate combinations of alleles.

In this situation, the allele B is dominant over the allele b, therefore, in both cases, phenotypes remain the same i.e. Brown eyes, but the genotypes differ. This defines how an allele interacts with another allele and changes the genotype.

Therefore, the truth about these two brothers that have brown eyes is they have the same phenotype (Brown) but different genotypes (BB and Bb).

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Scientific investigations often lead to the formulation of new scientific questions. The observations Charles Darwin's work after he returned home from his voyage and studying the selective breeding of pigeons prompted him to ask which question?

A) Do living things change over time, and if so, how?
B) Are the Galapagos finches and those on the mainland the same species?
C) Are pigeons related to the Galapagos finches?
D) Can selection in nature also lead to a new species over time?

Answers

Answer: D. Can selection in nature also lead to a new species over time?

Explanation:

Answer:

Can selection in nature also lead to a new species over time?

Explanation:

Correct on edge 2021 hope this helps :)

What are some examples of nutrients that
circulate in blood? Check all that apply.
red blood cells
glucose (a simple sugar)
amino acids

fats

white blood cells

Answers

the answer would be all of them but fats so the top person is correct:)))


Water travels from the roots of a plant to its stems and leaves through__________cells.

Answers

Answer:

xylem

Explanation:

A rapid motor response to a sensory stimulus in which nerve
impulses travel in an arc that includes thespinal cord but not
the brain is known as a
a Reflex
b Spinal motion
C Axon
d All of the above

Answers

Answer:

The answer is A. reflex

what is unequal sharing of electrons

Answers

Answer:

Covalent bond between two atoms with unequal electronegativities results in unequal sharing of electrons. These types of covalent bonds are called polar bonds because the electron distribution or charge is unevenly distributed or polarized. .

Explanation:

Why are matter and energy cycles important to an ecosystem ?

Answers

Answer:

Carbon and nitrogen are examples of nutrients. Unlike energy, matter is recycled in ecosystems. ... Decomposers release nutrients when they break down dead organisms. The nutrients are taken up by plants through their roots

Explanation:

Plant and animal cells both have cell membranes and nuclear membranes. However, plant cells have a structure that animal cells do not, known as a: ____

Answers

Answer:

cell wall and chloroplast

A simple life cycle is one in which the offspring look similar to their parents.
True
Or
False

Answers

False — life cycles have to do with birth to death progressions, not genetic traits.

2. What 3 smaller parts of the DNA molecule make up a nucleotide?

Answers

Answer:

nitrogenous base

a carbon-based sugar molecule called deoxyribose

a phosphorus-containing region known as a phosphate

What are the 3 types of land - based agriculture?

Answers

Answer:Subsistence agriculture is often divided into three different types, including intensive subsistence, which is the traditional method, shifting cultivation, which relies on clearing forest to create new farm plots every few years and pastoral nomadism, which relies on traveling with herds of animals.

Explanation:

What evidence supports a conservation law?
Carbon dioxide becomes glucose and oxygen during photosynthesis.
Hydrogen is made from the breakdown of carbon dioxide during photosynthesis.
Chlorophyll converts sunlight to chemical energy during photosynthesis.
Glucose and oxygen become carbon dioxide and water during photosynthesis.
Question 4(Multiple Choice Worth 4 points)

Answers

Answer:

it is c

Explanation:

C. Glucose and oxygen become carbon dioxide and water during photosynthesis.

Law of conservation:

A conservation law is a statement used in physics that says that the amount of something does not change in time.

In terms of Law of conservation of mass:

The "law of conservation of mass" is the conservation law that says that the amount of mass is always conserved, even if it is changed into another form.

During photosynthesis, plants take in carbon dioxide (CO₂) and water (H₂O) from the air and soil. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.

Therefore, correct options that supports a conservation law is option C.

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correct order of events during the process of nucleosynthesis?

Answers

Answer:

hydrogen nucleus formed, isotope of hydrogen, tritium formed, helium nucleus formed

Explanation:

Answer:

A

Explanation:

took the quiz

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