What is evidence that scientist use to support the big bang theory ?

Answers

Answer 1

Answer:

The Big Bang theory is among the most widely accepted today to explain the origin of the universe. It holds that the universe emerged from the explosion of a single particle - the primordial atom - causing an unparalleled cosmic cataclysm about 13.8 billion years ago. The same theory further states that the universe is continually expanding. The main evidence for the big bang theory is:

The galaxies to get further and further from us. This distance is taken at high speeds. In short, the spacing velocity of the galaxies is proportional to the distance these galaxies actually are. This evidence is called the "Hubble Law" and explains that our impression of galaxy dysthanization occurs because the universe is still expanding, and this theory further explains that the universe has already been connected.
The big bang theory states that the universe was already very hot, if this is true, we should find some evidence of this temperature. Well, this evidence was found when radio astronomers realized that there was cosmic background radiation in a microwave that had a temperature of 2,725 degrees Kelvin. This radiation is likely to be evidence of the high temperature the universe had.
Finally, the abundance of hydrogen and helium elements probably resulted from the Big Bang.

Answer 2

Answer:

One big observational evidence that scientists have is the Cosmic Microwave Background Radiation (CMBR). This evidence is the most accurate because astronomers have claimed that the universe is evolving a set amount of matter and energy while it is expanding over time.

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Some people can curl their tongues. What evidence would support the hypothesis that tongue curling is an inherited trait?

If a total distance of 750m is coverded in time interval of 25s the average

Answers

-Use the formula:
Average speed=Total distance/Total time

Answer:
Average Speed=750/25
=30 m/s

What is found in every organ

Answers

Tissue is the answer you are looking for

tissue is found in every organ

1. Two animals are mated. One is homozygous dominant for one character and homozygousrecessive for another. The other animal is heterozygous for both characters. How many
phenotypes are expected in the offspring of this cross?

Answers

From a cross of homozygous dominant and homozygous recessive parent lines with heterozygous parents, a 1:1 phenotypic ratio is seen. Two types of phenotypes will form.

What is a dihybrid cross?

A dihybrid cross involves two traits. Example: an animal with both genes for height and body coloration is taken . The height is represented as T. T is for tall characters, and t is for short characters. A homozygous dominant character is represented as TT. Homozygous recessiveness is expressed by tt.

Another gene such as body coloration is taken. Black (B) is dominant over white (b). An animal with homozygous dominant is BB. An animal having homozygous recessive is bb.

A parent with homozygous dominant for tall character and homozygous recessive for body colour is represented by TTbb. An animal that is heterozygous for height and body coloration is taken as TtBb.

From the crossing, two phenotypes are derived, such as tall black and tall white. Out of all eight individuals, four are tall black and four are tall white. The phenotypic ratio is 1:1. The cross is explained below.

Hence, two types of phenotypes will be formed with a phenotypic ratio of 1:1.

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the cross is AAbb*AaBb

There would be 4 different genotypes and 2 different PHENOTYPES for the offspring. (From the first gene we can get AA or Aa from the second one Bb or bb)

AAbb

Aabb have the same phenotype

AABb

AaBb have the same phenotype

8. Which two types of biomolecules are directly affected by a mutation?A. nucleic acids and lipids
B. nucleic acids and carbohydrates
C. proteins and nucleic acids
D. proteins and carbohydrates

Answers

The nucleic acids and proteins.

Explanation:

Mutations happen in the DNA which is a nucleic acid, and this molecule is transcribed into m-RNA which will be based on the sequence of the nucleotides in the DNA, so also m-RNA is affected and it is also a nucleotide.

Proteins are made using information coming from the DNA via the m-RNA, and since both are changed, then the structure of the protein will be built based on this new sequence of the bases in the m-RNA.

What happen when carbon monoxide mixed with oxygen?
how it can reduce amount of oxygen?

Answers

1. What happen when carbon monoxide mixed with oxygen?
CO2 + O2 : nothing special. As the previous responder said, this is a common mixture in our lungs and in the air we breathe. Carbon dioxide will not react with oxygen, because it is already completely oxidized.
Under normal conditions of temperature and pressure, again, nothing special -- from here you'd separate out the hydrogen as a fuel source. However, the reaction is reversible, and once you got past the activation energy, the reaction to form water and carbon is exothermic, and could be potentially dangerous if contained.

What happens when species overproduce offspring

Answers

The food runs out and the species usually ends up running out of food, but can sometimes spread to farther places if they are habitable. Then, that plant is endangered or extinct in that area. That is why overpopulation is taken so seriously. They can damage so many things. Then, the predators will have nothing to eat in that environment and will end up dying and the other animals that eat that plant will end up dying, and so on. Very sad! :(

Thanks for the opportunity to answer your question and I hope this helped! :)

Final answer:

When species overproduce offspring, it can lead to competition for resources and negative impacts on the environment and survival rates.

Explanation:

When species overproduce offspring, it can lead to competition for resources such as food, water, and shelter. This competition can result in a decrease in the overall fitness and survival rates of the offspring. Additionally, overpopulation can put pressure on the environment and lead to negative impacts such as habitat destruction and increased spread of diseases.

Learn more about overproduction of offspring here:

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The diagram below shows the position of the sun, moon, and Earth. The labels A, B, C, and D represent four coastlines on Earth.Three circles are shown. The smallest circle is in the middle and is labeled Moon The circle labeled Earth is on the left of the moon and the biggest circle is labeled Sun and it is on the right of the moon. The circle labeled Earth has A marked on top, B marked on the right, C marked below, and D marked on the leftAs Earth rotates, coastline B moves to where coastline A is. Which statement is correct about coastline B in its new position?It will experience a high tide because water is drawn away from the area between the low tides.It will experience a low tide because water is drawn away from the area between the high tides.It will have a low tide because the greatest gravitational pull of the moon is experienced when the coastline is at right angles to the moon.It will have a high tide because the greatest gravitational pull of the moon is experienced when the coastline is aligned with the sun and moon.