Limitations<span> and </span>Disadvantages<span>: Participants or subjects may not be truthful or may not behave naturally when they know they are being observed. </span>Descriptive<span> studies cannot be used to correlate variables or determine cause and effect. Confidentiality can be an issue.
</span>
With an EM wave, the higher the frequency is, the higher the energy but also the lower the wavelength. If a wave has a low frequency, it will have a high wavelength but also low energy. An example is a radio wave.
A high frequency, high energy (but low wavelength) wave like gamma or UV are also ionising which means they have enough energy to knock electrons off atoms.
Answer:
1528.3L
Explanation:
To solve this problem we should know this formula:
V₁ / T₁ = V₂ / T₂
We must convert the values of T° to Absolute T° (T° in K)
21°C + 273 = 294K
70°C + 273 = 343K
Now we can replace the data
1310L / 294K = V₂ / 343K
V₂ = (1310L / 294K) . 343K → 1528.3L
If the pressure keeps on constant, volume is modified directly proportional to absolute temperature. As T° has increased, the volume increased too
Answer:
It is <u>melting</u> which is a physical change.
Explanation:

Answer:
33.3
Explanation:
if we were to add 29.0 of argon and 4.30 of sulfur and that would come out 33.3.