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maks197457 [2]
3 years ago
5

Which best explains a primary reason for the inability of life to exist in earths early atmosphere

Social Studies
2 answers:
soldier1979 [14.2K]3 years ago
8 0

Answer:

There was insufficient energy from material collisions to change their density. High temperatures during Precambrian time caused surface water evaporation. Volcanic eruptions and comet collisions added different gases to the atmosphere.

forsale [732]3 years ago
6 0

<em>Answer: </em><em>There was insufficient energy from material collisions to change their density. Volcanic eruptions and comet collisions added different gases to the atmosphere.</em>

<em />

<em>Explanation:</em> <em>Hopefully this helps you. (Pls don't report if it is wrong)</em>

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PLEASE HELP!
Eddi Din [679]

Answer:

b. the total consumer surplus will be the area beneath the demand curve but above the current price of backpacks

Explanation:

A situation where there are many buyers in the backpack market indicates that the demand for this product is high, so the consumer surplus that will be received by the backpack manufacturer will depend on how much the consumer is willing to pay for the backpack, in which case Total consumer surplus will be the area below the demand curve, but above the current price of the backpacks.

ok

5 0
3 years ago
In terms of the work environment, learning:
PilotLPTM [1.2K]

Answer:

D. is a change in behavior acquired through experience and knowledge acquisition

Explanation:

In terms of the work environment, learning is a change in behavior acquired through experience and knowledge acquisition

6 0
3 years ago
A university professor wanted to know if the attitudes towards statistics changed during the course of the semester. She took a
Dmitry_Shevchenko [17]

Answer:

A) Two dependent samples

Explanation:

According to a different source, these are the options that come with this question:

A) Two dependent samples

B) Two independent samples

Inference for these data will be based on the use of two dependent samples. Dependent samples are those in which each score in one sample is paired with a score in the other sample. This means that the samples are related to each other, or depend on each other. In this case, the sample taken at the beginning of the term is dependent on the sample tested at the end of the term, as the professor is testing the same group of students.

3 0
3 years ago
Most countries in Africa have a government with a strong central authority. Local governments- like cities, counties, states, or
Ugo [173]
The best and most correct answer among the choices provided by your question is the fourth choice or letter D. Most African countries have Unitary form of government. 

A unitary state is a state governed as a single power in which the central government<span> is ultimately supreme and any administrative divisions (sub-national units) exercise only powers that the central </span>government chooses to delegate. The majority of states in the world have a unitary system of government<span>.
</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly.

5 0
4 years ago
The accumulation of different mutations in genetically separated populations is known as _____ and is the key to speciation.
Alex73 [517]

Answer: Genetic Divergence

Explanation:

Genetic divergence is the process in which two or more populations of an ancestral species accumulate independent genetic changes (mutations) through time, often after the populations have become reproductively isolated for some period of time. In some cases, subpopulations living in ecologically distinct peripheral environments can exhibit genetic divergence from the remainder of a population, especially where the range of a population is very large

(I got this from reading through some articles online, but it's expressly explained in Wikipedia and POSTING LINKS is beyond my jurisdiction as a law abiding tutor but I am sure that helps as well)

7 0
3 years ago
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