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Human beings can hear sound frequencies ranging from 20Hz to 20,000Hz. However, the upper limit generally decreases with age. Other animals can perceive vibrations higher than 20,000 Hz. For example, a
answered
Nov 15, 2023
English
high-school
1
answer
504k
views
How does energy and intermolecular forces affect water evaporation.
answered
Sep 28, 2023
Chemistry
college
1
answer
388k
views
In a normal distribution, a Z score of 1.96 tells us what? A) how many standard deviations from the mean a sample mean is located B) we need to increase our sample size C) the sample size D) the variance
answered
Jul 30, 2023
Mathematics
college
1
answer
356k
views
Which term refers to a solution with a higher solute concentration outside the cell than inside the cell?
answered
May 28, 2023
Biology
high-school
1
answer
413k
views
Which chemical was the least effective for inhibiting the growth of S epidermis? Of E coil?
answered
May 26, 2023
Biology
college
1
answer
414k
views
What are similaites between a habitat and a niche?
asked
Apr 23, 2023
Biology
high-school
1
answer
93.5k
views
Which statement describes how the gi bill affected the united states during the 1950s?.
answered
Mar 16, 2023
History
high-school
1
answer
436k
views
Which are the product(s) of this chemical reaction? FeCl 3 + 3NH 4OH -> a. 3NH4Fe + Cl3OH b. 3FeCl3NH4OH c. 3NH4Cl + 3FeOH d. Fe(OH)3 + 3NH4Cl
asked
Jan 6, 2023
Chemistry
college
1
answer
348k
views
PLS HELP ME 3.9b + 3.29 <34
answered
Jan 5, 2023
Mathematics
middle-school
2
answers
38.8k
views
When we inhale what do we bring in?
answered
Oct 11, 2022
Biology
high-school
2
answers
139k
views
Is the relation shown below a function? Explain. (4, 16), (5, 25), (3, 9), (6, 36), (2,4), (1, 1)
asked
Aug 11, 2022
Mathematics
high-school
1
answer
17.0k
views
Find the area, Show steps please
asked
Jul 28, 2022
Mathematics
high-school
1
answer
240
views
What are the 4 main parts to an amino acid
answered
Jun 27, 2022
Biology
college
2
answers
67.3k
views
TEMA (Mbo'epyrã): LA FORMA. LA TEXTURA Comento sobre las diferentes formas y texturas que posee la imagen
asked
Jun 27, 2022
Arts
college
1
answer
464k
views
Graph the equation. y=3(x+1)^2-2
asked
Mar 24, 2022
Mathematics
high-school
1
answer
81.8k
views
Question 5 of 10 What is the purpose of a body paragraph? A. To transition the reader from one idea to the next B. To sum up the overall point of the essay C. To provide details to support the essay's
answered
Mar 12, 2022
English
high-school
2
answers
226k
views
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