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Scilla [17]
4 years ago
14

What role does carbon dioxide play for all living things​

Physics
2 answers:
alexandr1967 [171]4 years ago
8 0

Answer:

carbon dioxide plays an important part in vital plant and animal process, such as photosynthesis and respiration.

Explanation:

Nady [450]4 years ago
5 0

Answer:

Photosynthesis and respiration. Animals convert food compounds by combining it with oxygen to release energy in order to perform life functions. Plants use chlorophyll (pigment that makes plants green) to capture the Sun's energy to make sugar from carbon dioxide which will then fuel the plant.

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Acceleration involves a change in __________.
uysha [10]

"Acceleration" is any change in speed or direction of motion ...
slowing down, speeding up, or curving away from a straight line.

You and I, and all other students of Physics, must re-educate
people.  We have to tell everyone that 'acceleration' does NOT
mean 'speeding up'.  AND, it doesn't even necessarily mean
any change in speed.

7 0
3 years ago
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On what factor does heat depend?​
Naily [24]
Isı hangi faktöre bağlıdır?
8 0
3 years ago
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The speed of a car during a trip is represented in the graph. Compare distance and displacement at four hours into the trip.
mezya [45]

Answer:

The answer to your question is: D.

Explanation:

Distance refers to the amount of space between two points, it is a scalar quantity.

Displacement refers to the space between two points, measure from the minimum path linking them, it is a vector quantity.

I'm not agree with these answers, because the total distance  is approximately 500km.

A) The distance traveled is 300 km.  This answer is not correct.

B) Distance is 300 km and displacement is 0 km.  This answer is not correct because the displacement is also 500 km.

C) Distance is 300 km/hour and displacement is 300 km. 300 km/h is a measure of speed not of distance, this option is wrong.

D) Both distance traveled and displacement are 300 km. I think this is the correct answer because distance and displacement measure the same. but I think both measure 500 km.

7 0
3 years ago
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Baseball reporters say that long fly balls that would have carried for home runs in July "die" in the cool air of Octo- ber and
anastassius [24]

Answer:

Consider the followig calculation

Explanation:

a)  use deal equation:

PV = nRT                      

ρ = m/V,= ==> V = m/ρ

therefore,

ρ = Pm/RT

convert 95 oF in degree

95 oF = 308.15 K

1 atm = 1.013 * 105 pascal

ρ = 1.013*105 * 29 * /8.314 * 308.15

                   = 1.146 kg/m3

b)  again use ideal gas equation:

ρ = Pm/RT

T = 50 oF = 283.15 K

1 atm = 1.013 * 105 pascal

molar mass will be same

ρ = 1.013 * 105 * 29 / 8.314 * 283.15

ρ = 1.248 kg / m3

So,

c) . more than density of the hot, dry air computed in part (a)

7 0
3 years ago
In an insulated cup of negligible heat capacity, 50. G of water at 40. °c is mixed with 30. G of water at 20. °c. The final temp
Tatiana [17]

The final temperature of the mixture is closest to 32.5 °C

<h3>Data obtained from the question</h3>
  • Mass of warm water (Mᵥᵥ) = 50 g
  • Temperature warm water (Tᵥᵥ) = 40 °C
  • Mass of cold water (M꜀) = 30 g
  • Temperature of cold water (T꜀) = 20 °C
  • Specific heat capacity of the water = 4.184 J/gºC
  • Equilibrium temperature (Tₑ) =?

<h3>How to determine the equilibrium temperature </h3>

Heat loss = Heat gain

MᵥᵥC(Tᵥᵥ – Tₑ) = M꜀C(Tₑ – M꜀)

50 × 4.184 (40 – Tₑ) = 30 × 4.184(Tₑ – 20)

209.2(40 – Tₑ) = 125.52(Tₑ – 20)

Clear bracket

8368 – 209.2Tₑ = 125.52Tₑ – 2510.4

Collect like terms

8368 + 2510.4 = 125.52Tₑ + 209.2Tₑ

10878.4 = 334.72Tₑ

Divide both side by 334.72

Tₑ = 10878.4 / 334.72

Tₑ = 32.5 °C

Learn more about heat transfer:

brainly.com/question/6363778

6 0
2 years ago
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