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Scary-Movie Heart Rates

Before watching a scary movie, the members of a theater

audience agreed to have their heart rates monitored. They

were asked to sit in silence for 10 minutes before the film

began. The movie was then shown from beginning to end.

The scatter plot below summarizes the data collected by all

of the heart monitors from ten minutes before the start of

the movie to the end of the movie.

Which is a possible hypothesis most likely being tested in this experiment?

(1) Silence in a theater increases the heart rates of the audience members.

(2) The length of a movie causes changes in heart rate.

(3) Watching scary movies will increase the heart rates of audience members.

(4) Do heart rates increase when watching scary movies?

ANSWER:

er notes

Answer

(4) Do heart rates increase when watching scary movies?

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The hypothesis being tested in this experiment is whether watching a scary movie will increase the heart rates of audience members. Option (4) is the best...

Question

Ls) type the following sentence and add parentheses of brackets whele heeded, Use caatt

spelling and correct spacing.

Add any necessary punctuation marks for clarity.

Doctors partly formed the ACS American Cancer Society.

Answer

Doctors (partly) formed the ACS (American Cancer Society).

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The sentence should be written as "Doctors (partly) formed the ACS (American Cancer Society)." The parentheses are used to indicate that the words...

Question

In the term, "biomass", what does the prefix,

"bio" refer to?

A. hydro electric energy

B. mined ore, such as Uranium

C. living organisms, such as plant material

Answer

C. living organisms, such as plant material

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The prefix "bio" in the term "biomass" refers to living organisms, such as plant material. Biomass is a renewable...

Question

Read the passage.

To Stand or Not to Stand?

In 2016, Vallecito Elementary School in San Rafael, California, became the first U.S.

school to replace all of its ordinary desks with raised desks that students stand at.

Speaking to a reporter from TIME for Kids magazine, one student at the school gave the

standing desks high praise. "You feel happier, you're less tired, and you're more active,"

she said. According to several studies, children working at standing desks burn more

calories and are more focused on tasks. However, some teachers and parents are

opposed to the change. They are concerned that standing for long periods of time could

cause fatigue, strain on the legs and feet, or posture problems. In addition, standing

desks are more expensive than seated desks. Only time will tell whether standing desks

will prove to be the next big trend or a failed experiment.

What is the main idea of the passage?

Some people say that standing desks promote good study habits, but others

are wary about the new desks.

Studies have shown that standing desks help students focus on their

schoolwork while being more active.

E)

Submit

00

HR

Sn

OU

Answer

The passage discusses the pros and cons of standing desks in schools, with some people praising them and others expressing concerns.

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The passage discusses the introduction of standing desks in Vallecito Elementary School in San Rafael, California, and the opinions of students, teachers, and...

Question

Which

Which of the following answer choice

BEST definition for the word "default

used in this selection?

Answer

Default is an option or setting automatically assigned to a computer program or device that is used unless changed by the user.

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Default is a term used to describe an option or setting that is automatically assigned to a computer program or device. It is used unless changed by the user...

Question

who is owner of NBA?

Answer

The National Basketball Association (NBA) is owned by its 30 member teams.

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The National Basketball Association (NBA) is a professional basketball league in North America. It is composed of 30 teams, 29 of which are located in...

Question

47. Where do the worst floods happen?

48. What is the term that means "to take steps to prevent floods"?

49. What is a word that means "to soak in"?

50. What is necessary to turn rain into snow?

51. What makes a snowflake grow larger?

52. Besides snow, what does a blizzard have?

53. What is a word that means "look like"?

Answer

47. The worst floods can happen in low-lying areas near rivers, coasts, or areas with poor drainage systems. 48. Flood prevention measures are known as flood mitigation. 49. The word that means "to soak in" is absorb. 50. Cold temperatures are necessary to turn rain into snow. 51. A snowflake grows larger by collecting more water vapor as it falls through the atmosphere. 52. Besides snow, a blizzard can have strong winds and low visibility due to blowing snow. 53. The word that means "look like" is resemble.

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47. Floods can happen anywhere, but the worst floods tend to occur in low-lying areas near rivers, coasts, or areas with...

Question

108.

In the final sentence of the last paragraph, whar

does the author mean by surmountable?

A. debatable

1 o el

keenly ate

B. vulnerable

This

unavoidable

betwee

D. conquerable

dogs

consis

that

ma

Answer

D. Conquerable

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The word "surmountable" means that something can be conquered or overcome. Therefore, the correct answer is D. Conquerable...

Question

Unità 1 i testo descrittivo

C 2 Completa la descrizione con i termini forniti di seguito.

aperte misurava coda statura lentarmente la zampe frustandosi

ll tigrillo

Si voltoe aexctscorse che si spostava verso sud, a una cinquantina

di metri di distanza. Si muoveva

le fauci S

Calcolò che dalla testa alla coda

.. due metri buoni, e che in piedi suleS2Ty.E posteriori

ifianchi con la

superava la Ndi un 'cane da pastore.

Adatt. daL. Sepülveda, { vecchio che leggeva romanzi d'amore, Guanda, 1995

La descrizione che hai letto è: A oggettiva.

soggettiva.

3 Descrivi soggettivamente un animale che hai in casa o il tuo animale preferito,

seguendo le indicazioni date nello schema introduttivo. Lavora sul quaderno.

4 Scrivi una descrizione soggettiva di un castoro da inserire in un libro di narrativ

per bambini, mettendo insieme l'elenco di informazioni enciclopediche che

forniamo qui di seguito e le caratteristiche del castoro inventato dalla scrittric

Paola Mastrocola. Lavora sul quaderno.

Genere di roditore semiacquatico.

lo viene sbattuta sull'acqua, segnalan

Un adulto pesa mediamente 16 kg.

do l'allarme; aiuta a sostenere l'animal

Answer

Il castoro è un roditore semiacquatico con una coda lunga e pelosa, che sbattendo sull'acqua segnala l'allarme. Un adulto pesa mediamente 16 kg e ha una statura di circa due metri, con zampe posteriori più lunghe che gli permettono di camminare lentamente e frustandosi sull'acqua.

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The answer succinctly describes a beaver, which is a semi-aquatic rodent with a long, furry tail that it uses to signal an...

Question

Which of the following is NOT a topic that muckrakers in the Progressive

Era would likely have covered?

ct.

Dangerous industrial work environments

Unsanitary and unsafe living conditions in tenement housing.

Foreign influence over U.S. government officials

Corruption in business and unfair trusts

Answer

Foreign influence over U.S. government officials

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Muckrakers in the Progressive Era were journalists and writers who exposed corruption and social injustices in the United States. They focused on topics such as...