menu
QAmmunity.org
Answers by William Chan
Login
Register
My account
Edit my Profile
Private messages
My favorites
Answers by William Chan
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Answers by William Chan
Filter
User William Chan
Recent activity
All questions
All answers
The retina of the human eye has an area of approximately 1.094 × 10³ mm² The circular fovea in a human eye has a diameter of 3 × 10³μm Calculate the area of the fovea as a percentage of the area of the
answered
Dec 11, 2024
Biology
high-school
3
votes
4.2k
views
People tend to ignore facts that conflict with, and seek out facts that confirm, what they already believe.
answered
Oct 22, 2024
Social Studies
high-school
3
votes
159k
views
A 65-year-old man with a long history of constipation presents with bright red blood per rectum for 1 day. He denies any straining, abdominal pain, diarrhea, or lightheadedness. He denies any recent trauma
answered
Oct 4, 2024
Health
high-school
4
votes
235k
views
In two-stage cooling, total cooling time cannot be more than _____ hours. A) 12 hours B) 24 hours C) 36 hours D) 48 hours
answered
Sep 7, 2024
Engineering
college
6
votes
17.9k
views
Write a short story with 60 words
answered
Sep 3, 2024
English
college
6
votes
223k
views
Question 19 (2.5 points) What is the ability to show you are strong on the outside? empathy self-awareness self-confidence behaviors
answered
Jun 29, 2024
English
college
5
votes
6.6k
views
Cite one of the prevalent and recurring problems in your own locality, ex. garbage and human waste, drug addiction, unruly behavior, premarital sex etc. Do a philosophical analysis. Ask what is the problem,
answered
Jun 25, 2024
Social Studies
high-school
0
votes
222k
views
A person is holding a helium-filled balloon by an attached string. Assume that the balloon is a sphere with a radius of 48.0 cm, and the weight of the rubber, helium, and string are 84.1 mn. The density
answered
Jun 19, 2024
Physics
high-school
4
votes
106k
views
Assume that x and y are variables of type int. Which of the following Java expressions never results in a division by zero? (A) (y / x) == 0 (B) ((y / x) 0) && (x != 0) (C) ((y / x) == 0) 11 (x != 0) (D)
answered
Apr 14, 2024
Computers and Technology
high-school
3
votes
177k
views
!50 POINTS! (2 SIMPLE GEOMETRY QUESTIONS) QUESTIONS BELOW | | \/
answered
Mar 14, 2024
Mathematics
high-school
3
votes
22.5k
views
glycerol, shown below, is a component of triacylglycerols. in which solvent would glycerol be expected to have the greatest solubility?
answered
Jan 20, 2024
Chemistry
high-school
5
votes
79.8k
views
The molar mass of hydrogen (H2) is 2. 02 g/mol. A sample contains 4. 00 mol of H2. What is the mass, in grams, of this sample? 1. 98 grams 2. 02 grams 4. 00 grams 8. 08 grams.
answered
Dec 17, 2023
Chemistry
high-school
6
votes
95.2k
views
What is the answer to -3y=-8+15
answered
Nov 16, 2023
Mathematics
high-school
6
votes
160k
views
Can you tell us what the missing number is in this sequence? 7,10,15,22, ?, 42
answered
Sep 27, 2023
Mathematics
high-school
13
votes
212k
views
QUESTION 15Sickle-cell disease results in malformed hemoglobin molecules. Which cell type contains millions of hemoglobin molecules per cell?NeuronsRed blood cellsWhite blood cellsOsteoblasts
answered
Sep 14, 2023
Biology
college
3
votes
101k
views
67 is 42% of what number?
answered
Dec 5, 2022
Mathematics
high-school
2
votes
130k
views
Refer to your Expeditions in Reading book for a complete version of this text. Which sentences should be included in a summary of “A Ride in the Night”? Select Yes or No for each sentence. A. yes or no-
answered
Nov 16, 2022
Social Studies
high-school
5
votes
212k
views
What was one effect of the Monroe Doctrine? A). The United States began to interfere with European Politics B). Great Britain agreed to give up its North American territories. C). European powers set up
answered
Oct 26, 2022
History
college
2
votes
160k
views
A wood products company has decided to purchase new logging equipment for $ with a trade-in of its old equipment. The old equipment has a BV of $ at the time of the trade-in. The new equipment will
answered
Oct 1, 2022
Business
college
5
votes
6.9k
views
I need help with my math work there is 2 questions in it Gina drove 655 miles to visit her aunt. She made the ride in 5 hours. She drove at a constant speed. (A) How many miles did she drive per hour?
answered
Sep 13, 2022
Mathematics
middle-school
4
votes
140k
views
Page:
1
2
3
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Search QAmmunity.org