Biology Middle School

The invention of email opened an important epoch in the history of communication. Which term can replace epoch without changing the meaning of this sentence?

calendar
era
millennium
time line

Answers

Answer 1

Answer:

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Explanation:

Answer 2

Answer:

B. era

Explanation:

The word epoch means: a period of time in history.

We want to find a synonym for epoch, or a word that has the same meaning. So, if we were to replace epoch, the sentence would be the same.

Calendar: a chart showing the days, weeks and months of a year

Era: period of history that is long and distinct

Millennium: period of 1000 years

Timeline: a graphic representation of time passing

The word that makes the most sense as a synonym for epoch is era.

Therefore, the correct answer is B: era.

Related Questions

___, fungal cells and some types of bacteria have cell walls

Answers

Answer:

Plant cells

Explanation:

I hope i am correct and this helps :)

Answer:

Both fungi and bacteria have cell walls

Explanation:

Most bacteria and all fungi obtain energy from aerobic respiration (respiration in Bacteria is a bit different than in Eukaryotes but oxygen is always needed to oxidise sugars, in the end water and carbon dioxide are formed)

Hope this helps :)

pls make brainliest :p

And have an amazing day <3

Use the diagram below to identify letter A.

Answers

Explanation:

the last one oesophagus.

hope this helps you.

Answer:

A is esophagus.

Option D.) Esophagus is correct.

Esophagus is the Food pipe that carries chewed food or water from mouth to stomach in peristalsis movement.

Complete the statement to describe the calcium concentration that must be maintained in human body cells.

The calcium concentration must be greater _______ the cell than ________ the cell.

Answers

Answer:The calcium concentration must be greater outside the cell than inside the cell.

Explanation:

pls help will mark brainliest

Answers

Answer:

3, Latitiude that receives the sun's vertical rays

Explanation:

The correct answer is c

Can you please at least answer some of the questions if not all. Thankyou

Answers

the human body is a body that humans have they help them do daily things

Answer:

1. Just like a city, the human body have certain parts of it that are needed for specific tasks like reasoning which is done in the brain and digestion that's done in the stomach, cities are organized similarly with certain groups of people with certain jobs like politicians that make decisions.

2. The respiration system brings air into the lungs by expanding, this oxygen is absorbed into the circulatory system through the alveoli which have capillaries with extremely thin walls, allowing oxygen in and carbon dioxide to escape. The oxygenated blood is carried to the heart which uses some of it, the pumps the rest throughout the body so that every organ and cell has enough oxygen, and when the oxygen is used by your body it creates the waste product carbon dioxide which is carried through the bloodstream, back to the alveoli, and exhaled.

4. Although Gabe is right about organs keeping us alive, he is wrong about cells not being important because every organ, bone and hair in or on your body is made up of cells, so without cells you wouldn't have any organs to keep you alive.

Explanation:

Hope this helps :)

PLEASE GIVE ME ANSWERS, GIVING OUT BRAINLIEST, DUE IN 40 MINUTES

Answers

umm where’s the question?
yo bro Where the quest

When looking at a line graph of seismic wave data, how can you tell when one Earth layer ends and another begins?

Answers

i believe it's because it's a different color?

Answer: I’m not sure but I think it’s b

Explanation:

Which of the following is NOT a function of the digestive system? *

Answers

Answer:

circulate blood throughout the body

Explanation:

That is a function of the circulatory system

circulate blood throughout the body

HELP PLEASE THIS IS DUE TOMORROW

Answers

The answer should be c…. ( let me know if wrong)
I believe the answer may be D!

Reasoning:

If a butterflies, or any bug with a predator, dominant predator was affected by the fungus and became quite scarce, the butterflies would be able to thrive more than before.

On a normal clover population, the butterflies would still thrive. However, with the constant threat of a predator looming in the air with them, many would die to the dragonflies. Therefor, the less dragon flies, the more butterflies.

analyze features of scientific diagrams for clarity and readability. Sorry if this is hard

Answers

Answer: Readability, content, and mechanical feature analysis of selected commercial science textbooks intended for third grade filipino learners

Explanation: Textbooks remain as major learning aids in all levels of education worldwide. Thus, textbooks must constantly be subjected to critical analysis in order to establish their curricular usefulness. This paper analyzed four commercial science textbooks designed for third grade Filipino learners. The four textbooks were analyzed according to readability and comprehensibility, content, and mechanical features. Readability was evaluated using popular readability formulas, while comprehensibility was determined using the Sonmez’s formula and the cloze test methods. The content features were the textbooks’ alignment with national science standards, conceptual errors, and level of gender bias. Finally, the mechanical features were focused on printing and lay-out, and handiness of the textbooks. Readability analysis revealed that that the textbooks were written three to four grade levels higher, and two to three years older than their intended users. The dominant reading ease of the four textbooks ranged from fairly easy to easy, which means that the texts are suitable to sixth and seventh graders. The texts were highly to perfectly aligned with the country’s national science standards. Three textbooks are generally gender fair while one has a low-level male bias. The average error/conceptual problem density is at one error in every six to eight pages. Misidentifications are most common conceptual problems in the textbooks. Finally, the textbooks are noted very good in printing, lay-out, paper quality, binding, and handiness.

A scientist put red blood cells in water that contained salt. Over time, the red blood cells burst. What is most likely true?

a The concentration of water inside the cell was greater than in the salt water.
b There was a higher concentration of salt in the water than in the cells.
c There was a lower concentration of salt in the water than in the cells.
d The concentration of water in the cells and salt water were equal.

Answers

Answer: B.

Explanation: Hope this helps.

B.
Water is drawn towards salt

A scientist put red blood cells in water that contained salt. Over time, the red blood cells burst. What is most likely true?

The concentration of water inside the cell was greater than in the salt water.
There was a higher concentration of salt in the water than in the cells.
There was a lower concentration of salt in the water than in the cells.
The concentration of water in the cells and salt water were equal.

Answers

Answer: It is most likely true that there was a lower concentration of salt in the water than in the cells because when blood cells are put in a hypotonic solution such as pure water, the little to no salt concentration in the water causes the cells to swell and burst. This would occur because the water would try to dilute the solution inside of the blood cell and which would, therefore, cause it to burst. Hope this helps!

Explanation:

Answer: C. There was a lower concentration of salt in the water than in the cells.

I hope this helps!

Read the excerpt from Narrative of the Life of Frederick Douglass. Identify the tone in the following sentence.

"How I escaped death, I do not know. There I was, entirely alone, in a thick wood, in a place new to me. My cart was upset and shattered, my oxen were entangled among the young trees. and there was none to help me."

a. Suspensful, stressful

b. Thrilling, exciting

c. Mysterious

d. Factual

Answers

A, this is because I when it says “my cart was upset and shattered” this is also showing and describing in a way how he felt. “There was no hope for me” shows us that it wouldn’t be thrilling, exciting, anything good, so it is A
It is A because it’s suspenseful and stressful

Choose one moment from Narrative of the Life of Frederick Douglass that stood out to you and explain via audio response why that moment is important. Why did it stand out to you? How does that moment show Frederick Douglass' point of view?


need help asap

Answers

One moment that stand out to me is when Frederick witnesses his Aunt Hester’s severe lashing because it is a significant moment in his life. He is introduced to the violent and cruel nature of slavery. Frederick was frightened in this moment and hid in his closet

YOU CAN SOMEONE HELP, ILL GIVE BRAINLIEST

Answers

Answer: ALSO THE - ARE SO I COULD POST THE ANSWER WITHOUT BAD WORDS

7: One shouldn't be to weak or strong otherwise you may get some pain. You could also end up overusing the other one. Otherwise, you may be both weak & strong which isn't the best idea of strong.

Explanation:

4)  One muscle could affect the movement of other muscles as they all work together to have your body move. (I don't know how to explain it in a scientific way)

3) anterior del-toid, pectoralis major and cora-cobra-chialis are effect shoulder movements.

1) In your legs there is the quadriceps femoris muscle group which includes the re-ctus femor-is, vast-us later-alis, vast-us medi-us, & vast-us inter-medius.

Sorry I can't see the diagram & i am not smart enough for the rest.

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