Answers by Dave Chambers
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Answers by Dave Chambers

Answers by Dave Chambers
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Which of the following is a biproduct (waste product) from photosynthesis that is beneficial for humans and animals? Sunlight Carbon Dioxide Oxygen Chlorophyl
answered Jun 26, 2021
4 votes
158k views
A star is moving away from an observer at 1% of the speed of light. At what wavelength would the observer find an emission line which would occur at a wavelength of 6000 Angstroms if the star were at rest?
answered May 14, 2021
3 votes
140k views
What does the blackboard do when white light falls on it?​
answered Mar 28, 2021
2 votes
78.5k views
A passenger jet flies from one airport to another 1273 miles away in 2.7 h. Find its average speed.​
answered Mar 4, 2021
5 votes
226k views
What is the value of x when x + 10=4​
answered Dec 9, 2020
3 votes
59.3k views
A school district needs 3 teachers for every 70 students. They expect to have 14,700 in the district next year. At this time they have 612 teachers. How many more teachers are needed.
answered Jun 28, 2020
3 votes
45.7k views
Please help me out with this problem!
answered Jun 25, 2020
1 vote
162k views
Please need help on this
answered Jun 1, 2020
1 vote
185k views
A student nurse is learning about providing spinal anesthesia using local anesthetics. Which statement regarding tetracaine hydrochloride (Pontocaine) indicates the need for correction?
answered Mar 3, 2020
2 votes
2.5k views
Scenario – You are very interested to find out if eating Apples can improve IQ scores. Supplies: 20 randomly assigned students we will call “Group A” 20 randomly assigned students we will call “Group B”
answered Dec 19, 2019
3 votes
229k views
3. Which of the following statements is true of a time management plan? 35 POINTS A.It is a work in progress that will need to be altered many times. BThe first plan you create is the one you should stick
answered Nov 22, 2019
5 votes
157k views
Maria would like to leave a tip (t) of at least 15% of her dinner bill (b). Which inequality best could be used to find the amount of the tip Maria would like to leave?
answered Aug 1, 2019
1 vote
70.1k views
What is the structuralist theory?
answered Jun 19, 2019
2 votes
89.0k views
What is compensation
answered Jun 8, 2018
2 votes
122k views
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