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3 years ago

What are the four body systems that are involved of getting oxygen in our cells ?

1 answer:

8 0

Answer: The cells that make up the digestive, muscular, skeletal, reproductive, and excretory systems all need oxygen from the respiratory system to function, and the cells of the respiratory system—as well as all the other systems—need nutrients and must get rid of metabolic wastes.

Explanation:

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1. Which elements are known as d-block elements?

Usimov [2.4K]

The d-block elements are found in groups 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 of the periodic table.

So your answer is A) Transition metals

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4 years ago

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3 years ago

Which of the following is an adaptation found in many desert plants? A. large, flat leaves B. dormant period during the winter C

frosja888 [35]

I'd say the answer is D because they need to intake and keep as much water as possible.

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3 years ago

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mrs_skeptik [129]

Answer:

2,3,5,8

Explanation:

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3 years ago

Calculate sound speed in hydrogen H2 at temperture 50 C degree. Answer give in meter per second.

irina [24]

Answer:

The speed of sound in hydrogen gas is 361.5 $^{\circ} C$

Explanation:

It is given that the temperature is 50 $^{\circ} C$ .

The speed of sound in meter per second is calculated by an equation.

The equation states that speed of the sound in meter per second is equal to the sum of the product of the temperature in degree celsius with 0.60 and a constant that is 331.5.

The equation is written as:

$speed \ of \ sound \left(m/s \right) = 0.60 \times T + 331.5$

Put the value of T = 50 then the equation becomes,

$speed \ of \ sound \left(m/s \right) = 0.60 \times 50 + 331.5$

Speed of sound (in m/s) = 361.5 m/s

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4 years ago