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Rufina [12.5K]
3 years ago
6

Why protonephridia are termed as flame cells?

Biology
1 answer:
madam [21]3 years ago
5 0
<span>A protonephridia is known as a flame cell because it is a specialized excretory cell. This simply means that these cells have the ability to remove waste materials within an organ of a particular living organisms. Some freshwater invertebrates, flatworms, and rotifers have these specialized cells within their systems.<span>
</span></span>
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The meal Valerie is planning to eat at dinner has total 800 Calories. If 55% calories come from carbohydrate, 20% from fat and 2
Annette [7]

Answer:

Carbohydrate = 57.023g

Fats = 20.736g

Proteins = 25.919g

Explanation:

According to this question, Valerie is planning to eat at dinner meal that has a total of 800 Calories.

- 55% calories come from carbohydrate i.e. 55/100 × 800 = 440 calories

- 20% calories come from fat i.e. 20/100 × 800 = 160 calories

- 25% calories come from proteins i.e. 25/100 × 800 = 200 calories

Since 7.716 calories = 1g

1. Amount of carbohydrates in gram = 440/7.716 = 57.023g

2. Amount of fats in gram = 160/7.716 = 20.736g

3. Amount of proteins in gram = 200/7.716 = 25.919g

8 0
3 years ago
According to akc. Org, a typical dog can hear sounds approximately __________ times farther away than a typical human can.
ivanzaharov [21]

According to akc. Org, a typical dog can hear sounds approximately <u>four times</u> farther away than a typical human can.

<h3>How many times is canine hearing better than human hearing?</h3>

In fact, canine hearing is quite keen! Some studies even show that dogs are able to hear noises at a distance up to four times greater than we can hear.

With this information, we can conclude that according to akc. Org, a typical dog can hear sounds approximately four times farther away than a typical human.

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Which of the following is an example of an organism providing energy to
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Answer:

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7 0
3 years ago
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Silver chloride combines with Copper (II) fluoride to yield Silver fluoride and Copper (II) chloride.
MA_775_DIABLO [31]
<h3>Answer;</h3>

2, 1, 2, 1

<h3><u>Explanation</u>;</h3>

Silver chloride reacts with Copper (II) fluoride to form Silver fluoride and Copper (II) chloride.

AgCl (aq) + CuF2 (aq) ----> AgF (s) + CuCl2 (aq)

The balanced chemical equation will be;

2AgCl (aq) + CuF2 (aq) ----> 2AgF (s) + CuCl2 (aq)

Balancing a chemical equation ensures that the Law of conservation of mass is conserved , such that the number of atoms of each element on either side of the equation is equal.

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In North America, which of the following caused the grizzly bear to become endangered?
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A) hunting and habitat destruction
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