Recently Asked Questions In Chemistry

Question

6. Describe the two ways in which the euglena get their nutrients.

Answer

Euglena get their nutrients through photosynthesis and by ingesting organic material.

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Euglena are single-celled organisms that are capable of both photosynthesis and heterotrophy. They are able to obtain their nutrients through...

Question

Due to polarity, hydrogen bonds are formed between water molecules.

True

• False

Answer

True

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Hydrogen bonds are formed between water molecules due to the polarity of the molecules. Water molecules have a slightly positive charge on the hydrogen atoms and a...

Question

Select the correct answer,

How do birth control pills prevent pregnancy?

OA

They keep a woman's ovaries from releasing eggs so that the sperm can

O B

They suppress the creation of viable sperm so the sperm cannot bond wit

O C. They control a woman's menstrual cycle so that she knows to abstain fron

Reset

Answer

A. They keep a woman's ovaries from releasing eggs so that the sperm can't fertilize them.

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Birth control pills contain hormones that prevent ovulation, which is the release of an egg from the ovaries. Without ovulation, there is no...

Question

Whose "Fiery shaft" hit the little western flower" called "love-in-idleness"?

Oberon's

• Puck's

Venus's

Cupid's

5 poi

Answer

Cupid's

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The phrase "Fiery shaft" is a reference to Cupid's arrow, which is said to have hit the little weste...

Question

B.

D.

"to suppress one's feelings or cus.

"a kind of bird noted for its swiftness in flight"

"a small amount of food"

Why did Melville probably write Shiloh?

A

. because the battle was fought during his

lifetime

B. because Shiloh was a famous town

C. because he was inspired by the men who

died in the battle

Answer

C. inspired by the men who died in the battle.

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Herman Melville wrote a poem titled "Shiloh: A Requiem" in honor of the soldiers who died in the Battle of...

Question

A scientist performs an investigation and discovers that increased temperature decreases

that an organism produces. Then, the scientist asks a new question about the impact of c

species because

• the scientist's first auestion was not a scientific quection

Answer

No, the scientist cannot ask a new question about the impact of a different species because the first question was not a scientific question.

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No, the scientist cannot ask a new question about the impact of a different species because the first question was not a scientific question. Scientific questions are...

Question

Which sentence states a fact?

While studying at Harvard University in 2017, Amanda Gorman was named

the first National Youth Poet Laureate of the United States.

Amanda Gorman's book Call Us What We Carry is the most inspirational

collection of poetry by a contemporary writer.

Answer

While studying at Harvard University in 2017, Amanda Gorman was named the first National Youth Poet Laureate of the United States.

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The first sentence states a fact, while the second sentence is an opinion...

Question

Il grassetto serve a:

A richiamare l'attenzione del lettore su termini specialistici

Brichiamare l'attenzione del lettore sull'argomento centrale del testo espo-

sitivo

Answer

A Richiamare l'attenzione del lettore su termini specialistici.

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Il grassetto è una formattazione di testo che viene utilizzata per richiamare l'attenz...

Question

What is the atomic number of zirconium?

39

40

41

42

Answer

40

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Zirconium has an atomic number of 40. This means that a zirconium atom has 40 protons in its nucleus. The atomic number determines the element's identity, and in the case of zirconium, it is 40.

Question

11 Se non ci fosse

lo.

non ci sarebbe il crepusco-

Scegli il termine corretto tra i due proposti

P4 оо

12 Le forze apparenti non sono/sono causate da agenti esterni o

interazioni tra corpi.

13 La forza di Coriolis produce una deviazione verso la sua de-

stra/sinistra, rispetto alla direzione iniziale, di un corpo in

movimento lungo un meridiano dal poio nord verso l'equatore.

14 La forza centrifuga/di Coriolis aumenta di intensità allonta-

nandosi dall'asse di rotazione.

15 La forza centrifuga/di Coriolis è la causa dello schiaccia-

mento/del rigonfiamento equatoriale.

Sceall il

Answer

causate, destra, centrifuga, aumenta, schiacciamento.

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11 Se non ci fosse lo: non ci sarebbe il crepusco - Scegli il termine...