What is the "first second" in relation to the Big Bang theory?

Answers

Answer 1

Explanation:

This process is known as nucleosynthesis. But the universe was still too dense and hot for electrons to join these nuclei and form stable atoms. That's a busy first second. Next we'll find out what happened over the next 13 billion years.


Related Questions

Which of the following best describes the difference between population size and population density?

A. Population density measures the abundance of an organism, whereas population size measures the distribution

B. Population size measures the abundance of an organism, whereas population density measures the distribution

C. Population size measures abundance, but population density measures how rapidly the size changes

D. Both variables measure abundance, but population density takes the into account the size of individuals, not just the number of individuals in the population

E. None of these descriptions are correct

Answers

Population size refers to the number of individuals, while population dendity refers to the number of individuals per unit of area or volume. The correct option is E. None of these descriptions are correct.

------------------------------------------------

Before answering the question, let us review the concepts of population size and density.

Population size refers to the number of individuals composing a population.

Population size might determine the destiny of the population.

A small population has more chances to get extinct than a bigger-sized population.

Density refers to the average number of individuals of the same species per unit of area or volume. This measure may be more significant than population size.

To estimate population density there are two possible methods: Direct methods and indirect methods.  

Abundance indexes are the parameters related to density, and they reflect changes that might happen in the target population density. They are commonly used to compare population sizes.

According to these concepts, the correct option is E. None of these descriptions are correct.

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What is an example of an event that can compromise an ecosystem?
1.seasonal climate change
2.seasonal dry period
3.d eveloping land around cities
4.high temperatures

Answers

Answer:

seasonal climate change

Explanation:

based on the climate can vary whether or not the animal can adpat to live in that ecosystem. take polar bears for example. scientists say that polar bears won't be able to adapt to climate change bc it's changing so quickly.

hope this helps! have a fantastic day/night

An example of an event that can compromise an ecosystem is seasonal climate change.

What is an ecosystem?

An ecosystem is a place where all animals and plants, biotic and abiotic factors live together interdependent to each other.

There are different types of ecosystem:

Terrestrial ecosystemOcean ecosystemDesert ecosystem

Thus, the correct option is 1. Seasonal climate change.

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It rains a lot in the United Kingdom because of

Answers

The evaporation from all the water? Idrk

Which of the following best describes the use of population models in biology? (SC.7.N.3.1
O They are generally easy to construct.
O They can represent reality precisely.
They are used when no observations have been made.
O They can help predict outcomes
(25 points)

Answers

The answer to the question is they can help predict outcome

Answer:they can help predict outcomes

Explanation:

WHICH TERM BEST SUMMARIZES PROCESS OF SELF FEEDING

Answers

Look at photo and it will answer your question

Answer:

Photosynthesis!!!!!!!!

Explanation:

I just had this question on my A.P.E.X test

Can anyone help me out here? This is the final question I have to do, and it is really hard and it is due at 5:00!

Answers

Answer:

number 1 is the sun and number 2 is 98.8

Explanation:

PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.

Answers

Answer:

D

Explanation:

Since algae is the start or the foundation of the food chain, this would mean that animals that eat the algae will be more commonly found here. And where their are consumers, predators are to follow.

Hope this helps :)

Answer:

D

Explanation:

The above pictures show the interaction of pollinators (like insects, birds, and bats)
and flowering plants. Use the above pictures and what you learned in your science class to answer the follow

• Construct an explanation on how pollinators and flowering plants interact and affect each
other.

• What do you predict would happen to flowering plants if they blended into their
surroundings? Explain.

pls help me. i beg you

Answers

Answer:

The pollinators help spread the pollen of the flowering plants to help them reproduce. If the flowering plants blended into their surroundings, the pollinators would not be able to identify the flowering plants, and the plants would eventually die off or become extinct.

Explanation:

List 4 significant problems with nuclear power plants....,,,,,?

Answers

Barriers to and risks associated with an increasing use of nuclear energy include operational risks and the associated safety concerns, uranium mining risks, financial and regulatory risks, unresolved waste management issues, nuclear weapons proliferation concerns, and adverse public opinion. Hope this helps!

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Paar
ALGALEHEEN BILINGUAL SCHOOL
Grade 1 Science Homework #3.7
Topic 5.Lesson 4 Where plants and
animals live.
1.
A. True or false .
x
The environment is everything around a living thing
.
.​

Answers

Answer:

Explanation:

A habitat is a special place where a plant or animal lives

Answer:

True

Explanation:

Night blindness (n) is a sex-linked recessive trait. A woman who is night blind marries a man who is not night blind. What are the genotypes of both individuals?​

Answers

Answer:

Genotype of night blind woman -  XnXn

Genotype of normal man - XY

Explanation:

Given

Night blindness (n) is a sex-linked recessive trait. Let us say it is X linked recessive

In this case a man with XY genotype having a diseased X allele will be night blind while a woman will have night blindness if both the X allele are diseased  . In case if only one X allele is diseased in women then, she will be a carrier of night blindness defect

Genotype of night blind woman -  XnXn

Genotype of normal man - XY

what are the merit of
indigenous education​

Answers

Answer:

It was a way to protect, preserve and develop traditional indigenous skills and cultures. Education was a significant step towards empowering indigenous peoples to participate more fully in their communities. It was an indispensable asset to attain freedom and social justice.

Answer:

The core of indigenous education in Africa focused on providing each individual in the community with knowledge, practical skills and attitudes in order to prepare them to for his/her role in the society. It is a holistic system, in which apprenticeship, story telling, proverbs and myths played an important role. Traditional education developed in the ‘learners’ a sense of obligation towards the community and made learners to appreciate the history, language,customs and values of the tribal group, keeping in touch with their heritage, their cultural roots. Western education alienates young Africans from their cultural heritage.

Pls help me with this giving brainlist !!

Answers

Answer:

1. Texas A&M University

2. Texas's premier research agency in agriculture, natural resources, & life sciences

Explanation:

Give a scenario in which a new ecosystem would be created

Answers

global warming. if the world pollutes too a certain level of extreme , a new ecosystem would do some good


Knowing that the teenage brain rewards risk is:

-a warning to make choices carefully.

-an excuse to make bad decisions.

-not relevant because parents make all decisions for their teens.

-a reason to lower the drinking age.

Answers

E⁣⁣⁣xplanation i⁣⁣⁣s i⁣⁣⁣n a f⁣⁣⁣ile

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Which label belongs in the area marked Y?
A. Neither allele is dominant.
B. An intermediate phenotype is expressed in offspring
C. One allele is dominant over the other.
D. Both dominant alleles are fully expressed in offspring Y ​

Answers

I believe the answer is C

Answer:

the answer is A

Explanation:

10 Volcanic ash serves as a good marker of geologic
time because the ash
(A) is highly radioactive
(B) destroys all plant and animal life
(C) has only a local deposition
(D) is deposited rapidly over a large area

Answers

The answer is D. I'm 100% sure ^_^

Answer:

D

Explanation:

Which of the following is a result of glycolysis?
a.Usage of oxygen as a strong oxidizer
b.Production of CO2
c.Conversion of FAD+ into FADH2
d.Splitting of a glucose molecule to form two G3P molecules

Answers

B. Production of co2

The main result of glycolysis is the splitting of a glucose molecule to form two G3P molecules. The Option D.

What is the main result of glycolysis?

Glycolysis, the initial step in cellular respiration involves the breakdown of glucose. One of the key outcomes of glycolysis is the splitting of a glucose molecule into two molecules of glyceraldehyde-3-phosphate (G3P).

This process occurs in the cytoplasm and does not require oxygen. Glycolysis serves as the primary source of energy production in anaerobic conditions and plays a crucial role in both aerobic and anaerobic cellular respiration.

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The Cell Theory also states that all living cells have chloroplasts and a cell
wall.
True or false

Answers

Answer:

False

Explanation:

Cell walls are only found in plant cells.

The diagram shows a proposed process in the history of evolution. Which 4 points process is outlined in the diagram? Mitochondrion Endoplasmic reticulum Plasma membrane Nuclear Cytoplasm envelope Nucleus DNA Engulfing of aerobic heterotrophic prokaryote Heterotrophic eukaryote Prokaryote Mitochondrion Chloroplast Photosynthetic eukaryote Engulfing of photosynthetic prokaryote O Speciation due to natural selection Endosymbiosis Formation of early organic molecules Chemosynthesis

speciation due to natural selection
endosymbiosis
formation of early organic molecules
chemosynthesis ​

Answers

Answer:

formation of early organic molecules

Name the 4 bases found in DNA.

Answers

Answer:

thyminene, T

adenine, A

guanine, G

cytosine, C

Explanation:

Answer:

Adenine, thymine, cytosine and guanine

Explanation:


PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer:

C

Explanation:

Answer: the answer is c

Explanation:

briefly describe an enzyme molecule​

Answers

Answer:

Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. ... The molecules that an enzyme works with are called substrates. The substrates bind to a region on the enzyme called the active site.

PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.

Answers

Answer:

a

Explanation:

Answer:

I'm pretty sure that the answer is A

Both prokaryotic and eukaryotic cells use ________ to turn certain genes on or off.


Group of answer choices


RNA polymerase


enhancers


activators

Answers

The answer is RNA polymerase

Both prokaryotic and eukaryotic cells use RNA polymerase to turn certain genes on or off. The correct option is A.

What is RNA polymerase?

RNA polymerase, or more specifically DNA-directed/dependent RNA polymerase, is a molecular biology enzyme that synthesizes RNA from a DNA template.

The RNA polymerase enzyme is a large complex composed of many subunits. The prokaryotic RNA polymerase has four subunits that can transcribing all types of RNA.

These enzymes in eukaryotes have eight or more subunits that aid in the attachment and processing of DNA during transcription.

RNA polymerase (abbreviated RNAP or RNApol), or more specifically DNA-directed/dependent RNA polymerase (DdRP), is a molecular biology enzyme that synthesizes RNA from a DNA template.

RNA polymerase is used by both prokaryotic and eukaryotic cells to turn genes on and off.

Thus, the correct option is A.

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Which of the following is a type of adaptation that animals can have?

Physical characteristics
Behaviors
Life cycle differences
1. I and II
2. I and III
3. II and III
4. I, II, and III

Answers

I believe it would be number 4

help me with this asap please.

Answers

Answer:

I don't understand the question you sent me

The service box is an area on the court that 1 point the person serving must stand in. the ball must land in to be a playable serve. the person returning the serve must be standing in before a server can serve ​

Answers

Answer:

Both players on the serving doubles team have the opportunity to serve and score points until they commit a fault *(except for the first service sequence of each new game).

The first serve of each side-out is made from the right-hand court.

If a point is scored, the server switches sides and the server initiates the next serve from the left-hand court.

As subsequent points are scored, the server continues switching back and forth until a fault is committed and the first server loses the serve.

When the first server loses the serve the partner then serves from their correct side of the court (except for the first service sequence of the game*).

The second server continues serving until his team commits a fault and loses the serve to the opposing team.

Once the service goes to the opposition (at side out), the first serve is from the right-hand court and both players on that team have the opportunity to serve and score points until their team commits two faults.

In singles the server serves from the right-hand court when his or her score is even and from the left when the score is odd.

Explanation:

The greatest amount of energy is released by the...

Answers

The greatest amount of energy is real eased by the :Oxidation of glucose to carbon dioxide and water. (I’m not exactly sure what your talking about so sorry if it wrong!)

In what stimulation do we feel pain when removing the ventral root?​

Answers

Answer:

Dorsal Root Ganglion

Explanation:

(im not 100% sure though)

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