Answers by Xu Yin
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Answers by Xu Yin

Answers by Xu Yin
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Does lasik fix astigmatism
answered Sep 10, 2024
5 votes
214k views
For a particular element, its absorption and emission spectra show the same discrete line patterns: a. Bohr's model b. Quantum mechanics c. Planck's theory d. Photoelectric effect
answered Aug 29, 2024
5 votes
229k views
What was the most unexpected effect of starvation seen in the Minnesota study?
answered Jul 17, 2024
1 vote
232k views
Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm year results. (If an answer is undefined, enter UNDEFINED. Round your answer
answered Jun 13, 2024
1 vote
108k views
Which symbol represents the dryer heat thermostat? a. 1 b. 2 c. 3 d. 4
answered Jun 8, 2024
5 votes
124k views
A Sumer job pays $5 per hour b. After working 24 hours, do you have enough money to buy an MP3 player that costs $100? Explain your reasoning.
answered Feb 7, 2024
3 votes
23.0k views
What is the value of the function at x=-2? y = -4 y = 0 y = 2 y = 3
answered Oct 13, 2023
5 votes
62.1k views
Why are gases poor conductors of sound?​
answered Oct 4, 2023
9 votes
125k views
1) Find the area of a regular hexagon with an apothem of 10.4 cm and a side length of 12 cm. (round to the near A) 94 cm2 B) 187 cm2 c) 374 cm2 D) 749 cm2
answered Sep 20, 2023
2 votes
52.3k views
8 (2x-6) -3 ( 4-2x) + (-2x)
answered Sep 9, 2023
3 votes
230k views
Please solve this question ​
answered Jul 17, 2023
1 vote
144k views
1. If a colorblind female (XcXc) marries a normal male (XY), what are the chances of normal children? Colorblind children? Do a Punnet square to find the answer.
answered Jun 28, 2023
1 vote
28.9k views
Which part of the respiratory system that branches off of the trachea carrying oxygen farther into the lungs? -lobs -alveoli -bronchioles -bronchi
answered Sep 9, 2022
3 votes
76.3k views
Match the numbers with the correct label.
answered Aug 20, 2022
3 votes
140k views
NEED ANSWER QUICK!!!!!!! Could humans survive on Earth over two-and-a-half billion years ago, before the emergence of plants? Why or why not?
answered Aug 12, 2022
1 vote
139k views
I need help please !
answered Jul 18, 2022
4 votes
19.2k views
PLEASE HELP DUE IN 30 MINUTES!!
answered Jan 20, 2022
11 votes
232k views
Please help me please please
answered Jan 17, 2022
11 votes
230k views
Which types of organisms are always made up of only one cell each?
answered Nov 4, 2021
6 votes
97.1k views
The coefficient of kinetic friction between an object and the surface upon which it is sliding is 0.6. The mass of the object is 12 kg. What is the force of friction
answered Oct 16, 2021
2 votes
202k views
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