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skad [1K]
2 years ago
6

Why do smokers have a more difficult time getting rid of bronchitis

Chemistry
2 answers:
Digiron [165]2 years ago
6 0

Answer:

C. Smoking damages the cilia in the respiratory system

son4ous [18]2 years ago
4 0

Answer:

C. Smoking damages the cilia in the respiratory system.

Explanation:

Hope this helped.

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Will mark as brainlest!
USPshnik [31]

A frequency of 60 MHz is close to the lower end of the old VHF-TV band.


c = f λ ...... where c is the speed of light, f is the frequency and λ is the wavelength

λ = c / f = 3.00x10^8 m/s / 6.0x10^7 1/s

λ = 5.0 m

3 0
3 years ago
Read 2 more answers
How many molecules of SrCrO4 are in a sample of SrCrO4 0.556 moles?
Amiraneli [1.4K]

Answer:

3.35*10^{23}\ SrCrO_4\ molecules

Explanation:

We\ are\ given\ that,\\No.\ of\ moles\ of\ SrCrO_4=0.556\\Hence,\\As\ we\ know\ that,\\No.\ of\ particles=Avagadro's\ Constant*No.\ of\ moles\\We\ already\ know\ that\ Avagadro's\ Constant=6.022*10^{23}\\Here,\\No.\ of\ SrCrO_4\  molecules= 6.022*10^{23}*0.556\\Hence,\\No.\ of\ SrCrO_4\  molecules=3.348*10^{23} molecules\ \approx 3.35*10^{23}\ SrCrO_4\ molecules

7 0
3 years ago
2 elements that have properties similar to those of chlorine are
AysviL [449]
Bromine and iodine !
4 0
3 years ago
Is the relationship between volume and pressure direct or indirect? Explain your<br> answer
Brilliant_brown [7]

Answer:

Boyle's Law is a relationship between pressure and volume. In this relationship, pressure and volume have an inverse relationship when temperature is held constant. If there is a decrease in the volume there is less space for molecules to move and therefore they collide more often, increasing the pressure.

Explanation:

6 0
3 years ago
Please help me!! Look at the picture to understand the question please!
Romashka-Z-Leto [24]

Answer:

C. I

Explanation:

The elements are categorized in groups and periods. The periods are horizontal and the groups are vertical. The elements in the same group (vertical) have very similar characteristics.

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