how is modern earth different from earth over four billion years ago?

Answers

Answer 1
4 billion years ago the temperature was much higher due to repeated volcanoes and hot gases present in the atmosphere. There weren't any live forms on earth. ... The atmosphere had a different concentration of gases on the earth. There were no life sustaining gases.

Related Questions

Which statement best describes how a major change in the size of one population affects an ecosystem?

a. It will immediately kill every population and the physical conditions.
b. It would not affect the physical conditions nor any populations.
c. It will affect the physical conditions, but not the other populations.
d. It affects every population, not the physical conditions.

Answers

  this a simple question over worded to increase error

A. is obviusly no it

B. is saying nothing will happen which is incorrect

C. is saying like trees would shrink or weather would be bad

D. is correct because if there is more a certain creature it will over eat its prey

How many lights were used...

Answers

Answer:b

Explanation:

The answer is five lights were used

Which component of RNA
replication has a structure similar to that of remdesivir?

Answers

Answer:

RNA nucleotide.

Explanation:

RNA nucleotide is the part of RNA replication that has similar structure to Remdesivir. Remdesivir is covalently bonded to the replicating RNA, which blocks further synthesis of RNA. This Remdesivir work against the viral polymerase and prevents viral spreading by blocking the synthesis of RNA. Remdesivir has similar structure to RNA nucleotide but different in their functions. Remdesivir is used against many viral infections due to its effectiveness on the RNA replication.

What is cross breeding impact on the environment

Answers

Answer:

it is gaining populaity

cross breeding animals cause genetic issues, disorders, and health issues

Alec saw footage of a landslide on the news. He saw rocks falling from the side of a mountain, with some of them smashing into each other and breaking apart. Select two of the processes Alec witnessed.
A
cementing

B
compacting

C
erosion

D
sedimentation

E
weathering

F
deposition

Answers

Weathering and erosion
I believe it’s C and E, Erosion and Weathering

A scientist examines a bacterium and learns that it carries a gene that makes it resistant to antibacterial medication. Because bacteria reproduce through________, it’s likely that ______of the offspring created by bacteria with this gene will be resistant to the medication.

(the first blank options) (The Second blank options)
Binary fission all
Mitosis half
regeneration none

Answers

Answer:

1 = mitosis 2 = half (maybe)

Explanation:

When asked for an example of an adaptation, a student explained, "A turtle's hard shell is an adaptation. A long time ago, a few turtles were able to make their shells harder in order to protect themselves from predators and then passed the trait of harder shells on to their offspring." Do you agree or disagree with this student? Explain why.​

Answers

Answer:

I agree with the student by species

what happens during cytokines

Answers

Answer:

during cytokines the cytoplasm( the liquid center of the cell that holds the organelles in to place) split into two equal half's, and the cell becomes two daughter cells.

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According to the cladogram which of the following is the derived characteristic shared by amphibians and reptiles

1) bony skeleton
2) lungs

Answers

Answer:  2) lungs

Explanation:

The worm population will . . .

Answers

Answer:

Die in a few years

Explanation:

What? I’m being realistic!

take over the earth in a few days

Which of the following is not true about groundwater
A)
Its a long-term reservoir
B)
Significant during drought
C)
It is the only source of freshwater
D)
It is replenished by surface water

Answers

The statement that is not true about groundwater is that it is the only source of freshwater, which is option C. Details about groundwater can be found below.

What is groundwater?

Groundwater is the water that exists beneath the earth's surface in underground streams and aquifers.

Groundwater can prove very useful in the following ways:

Its a long-term reservoirSignificant during droughtIt is replenished by surface water

However, the statement that it is the only source of freshwater is not true.

Learn more about groundwater at: https://brainly.com/question/10005777

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if an animal is born with black fur but never had a black phenotype, would it be a mutation??

Answers

Yes because if disjsjwjejajajaj

Which of the following is not a threat to biodiversity? A. Climate change B. Habitat destruction C. Captive breeding programs D. Invasive species

Answers

Answer:

C. captive breeding programs

Explanation:

Captive breeding programs aim to breed more of an animal that may have been struggling to survive, they may even be beneficial to biodiversity.

HELPP, 30 PTS!

Use the 5 bases provided to show how nitrogenous bases are sequenced or matched in both DNA and RNA
ADENINE, THYMINE, URACIL, GUANINE, and CYTOSINE

Answers

Answer:

Adenine sorry if I am wrong

Please help will give brainliest

Answers

Answer: autotrophs or primary producers, heterotrophs or consumers

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Answers

Answer:

That is right, internal/external.

Explanation:

How are ecosystems affected by landslides?

Answers

Answer: Landslides can overwhelm, and even pollute streams and waterbodies with excess sediment. In extreme cases they can dam streams and rivers, impacting both water quality and fish habitat. Landslides can wipe out large tracts of forest, destroy wildlife habitat, and remove productive soils from slopes.

Which of the following is an example of an animal that might be culled?

Rosle has produced a lot of dairy calves, but her milk production is low.

Buck is lean and muscular but looks similar to all of the other beef bulls.

Clyde is a healthy but overly aggressive and mean dalry bull,

Sami had low birth welght as a lamb but quickly grew into a large sheep.

Answers

Answer:

D. Sami had low birth weight as a lamb but quickly grew into a large sheep.

Explanation:

The Sami lamb is an example of culled because it has the characteristics of quick growth. Culling is the process of separating organisms from a group of same type of organisms due to presence of desired or undesired characteristics. Sami sheep has a unique characteristic of having less weight at time of birth but having quick growth features that make to gain more weight and become large sheep so this sheep is removed from the population for its good traits.

(04.05 MC)
Which claim best supports the cycling of carbon through the spheres of Earth?

Answers

Answer:

Burning fossil fuels adds the necessary amount of carbon in the atmosphere for cellular respiration to take place

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Which term best completes the diagram below?

nucleus
cell
molecule
O muscle

Answers

It’s Cells because cells make up tissues

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Answers

Answer:

c is the correct answer

Explanation:

* will give brainliest*
Name an animal that both directly and indirectly benefits humans. Explain your response.

Answers

Answer:

honeybees

Explanation:

we directly use the honey they produce and we also depend on them to pollinate crops. Bees also pollinate other plants that porvide several indirect benefits to humans

Answer:

My answer: Honeybees

Honeybees give us honey, we directly use honeybees to gather their honey. Honeybees indirectly pollinate crops, flowers, and other various plants.

Explanation:

PLATOs answer: Honeybees both directly and indirectly benefit humans. We directly use the honey they produce, and we also depend on them to pollinate crops. Bees also pollinate other plants that provide several indirect benefits to humans. These benefits include reducing carbon dioxide in the atmosphere and providing food for the herbivores on which we depend.

The clownfish is tasty to larger ocean fish. It hides from predators in its habitat, the sea anemones. Anemones are relatives of the jellyfish; they have stinging tentacles. The clownfish secretes a sticky coating that protects it from getting stung while its food crumbs fall onto and feed the anemone. What type of relationship do the clownfish and sea anemone exhibit?

A. commensalism

B. parasitism

C. mutualism

D. predation

Answers

the answer is C, Mutualism
C they both benefit

According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?Immersive Reader (1 Point) commensalism inbreeding migration evolution by natural selection

Answers

Evolution by natural selection.  

survival of the fittest=natural selection

You are an endotherm, which is another name for being warm blooded. Warm blooded organisms...

A) maintain a constant body temperature despite the external temperature of their surroundings.

B) use the external temperature to maintain an internal body temperature

I need help




Answers

Answer

the answer is A

although our tempurature can vary depending on extreme hots and colds, or other external factors such as sickness.

Explanation:

Identify the preferable tonicity of these replacement drinks (isotonic, hypertonic or hypotonic)

Answers

Answer:

isotonic [same concentration]

hypotonic [low concentration]

hypertonic[high concentration ]

Solve this please
What do I writ's in each category?

Answers

Answer:

mRNA: UUGGACCGGUACCUG

Codon: UUG GAC CGG UAC CUG

Anti-codon: AAC CUG GCC AUG GAU

Amino Acids: Asn-Leu-Ala-Met-Asp

4.) The more different kinds of living things in an ecosystem the more successful it is. This is called ___________.

use this vid https://youtu.be/-Sybgof-X2k

Answers

Answer: isn’t it climax community?

Explanation:

Biodiversity .. I guess

Please help will give brainliest

Answers

Answer:

a. domain

Explanation:

I am assuming that you are looking for the largest system, in that case it is domain.

From this list, it goes

Domain>kingdom>phylum>taxonomy

hope this helps :3

red marrow tissue interacts with which 2 body systems

Answers

Answer:

I believe it interacts with the lymphatic system (because it creates lymphocytes) and the circulatory system (because it creates red blood cells).

Other Questions
Those microscopic organisms perform what 2 processes that help pave the way for lichen by creating organic material. Explain whether you believe the New Deal was good for America during the Great Depression. Did the New Deal have a positive or negative impact on America? Use at least 2 specific examples to support your answer. If the Volume of a Cylinder is 25*pi* and the radius is 4, what is the height "h"?Round your answer to the nearest tenth if needed. When both lactose and glucose are available to E. coli, which part of the lac operon regulation assures that glucose will be metabolized first? When both lactose and glucose are available to E. coli, which part of the lac operon regulation assures that glucose will be metabolized first? Permease allows lactose to enter the cell when lactose enters the cell. The repressor binds to the operator in the absence of lactose. The repressor cannot bind to the operator in the presence of lactose. RNA polymerase transcribes the lac operon to make a single RNA molecule. CAP binds to cAMP and then to the promoter only in the presence of low glucose. Write an argumentative essay for or against maintaining traditional coming-of-age ceremonies, such as a bar mitzvah or a quinceaera.I made it 10 points because I will answer this question because it seems nobody has given a response. I revised and got proofread by 2 different people, one being a college student and the other a former teacher. For the data set shown in the scatterplot, what is the BEST approximation of the y-intercept for the line of best fit? A) 0 B) 50 C) 125 D)200 A key difference between the Roman Catholic Church and the churches of the Protestant Reformation was that, *A) unlike Protestants, Catholics usually believed in a non-hierarchical Church.B) unlike Catholics, Protestants usually believed that the Bible should be read in the local vernacular instead of Latin.C) unlike Catholics, Protestants usually believed that the Bible was the direct word of God.D) unlike Catholics, Protestants usually denied that God had three forms (Father, Son and the Holy Spirit). I need your help asap Surface Area = 408m2(pls help me) PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! What was one important accomplishment of Miguel Hidalgo y Costilla?O A. He helped establish a powerful empire in Brazil.O B. He first proposed the creation of one united state in LatinAmerica.O C. He encouraged poor and mixed-race people to fight for freedom inNew Spain.D. He worked with Simn Bolvar to fight Spanish troops in SouthAmericaSUBMIT Write down a number that has the same value as each number:a. |5| b. |-12.9|c. Write down a number that has a value less than |4.7|.d. Write down a number that has a value greater than |-2.6|. If the cost is $3000, and the revenue is $6000, what is the profit margin? How did the poll tax disenfranchise African Americans?A. Many African Americans were poor and could not afford to pay the tax required to vote.B. The poll tax paid wealthy African Americans to advise poor African Americans not to vote. C. The poll tax paid white southerners to intimidate African Americans so they feared to vote.D. Many African Americans tried to vote without paying the tax and then spent years in prison. What features of eukaryotes provide additional opportunities for the regulation of gene expression compared to bacteria? Select all that apply. Select all that apply. interaction with external environment transcription and translation are coupled processes separated processes of transcription and translation presence of chromatin opportunity for posttranscriptional and pre-translational regulation activation of all genes in genome How did Malcolm Little become involved with the Nation of Islam? What did the Nation of Islamteach about race relations? The weekly average earnings of his drivers in a city is $980 with a standard deviation of $47. Assume that we select a random sample of 81 bus drivers. Compute the standard error of the mean Where would you find dietary restrictions for followers of Islam? Why Jaya Prithvi bahadur singh is called the "Father of Education" in nepal? PLEASE HELP ASAP PLEASE