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Answers by Roberto

Answers by Roberto
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What types of cells do natural killer cells act against?
answered Dec 5, 2024
5 votes
205k views
Which is necessary when setting up oblique lighting to reveal details of a tire track? A) flash attached to a camera B) external light source C) ultraviolet light source D) infrared light source
answered Mar 27, 2024
3 votes
47.9k views
Cells that form most tissues and organs in an organism.
answered Dec 28, 2023
3 votes
25.2k views
The weight of substance X is halved per minute. In the beginning, the weight of substance X is 5kg. (a) Find the weight of substance X after 4 minutes. (b) After how many minutes will the weight of substance
answered Dec 14, 2023
5 votes
73.0k views
Does anyone know the answer ​
answered Nov 22, 2023
2 votes
152k views
Can cross browsers be tracked or no? I'm not sure because my regular browser on my pc got tracked by a rando so I'm installing a Cross browser but I don't know if it can be tracked.
answered Sep 19, 2023
10 votes
184k views
Which field of biology primarily studies disease-causing organisms? A. ecology B. virology C. taxonomy D. "tree of life"
answered Apr 16, 2023
1 vote
177k views
It rained 2 out of the last 12 days in March. If this trend continues, how many rainy days would you expect in April?6759
answered Apr 6, 2023
4 votes
164k views
What is the least angle of rotation that maps the regular heptagon onto itself? Round your answer to the nearest whole degree.
answered Dec 16, 2022
9 votes
134k views
Erika is a vegan. To avoid developing a serious nutritional deficiency, she needs to include a source of ________ in her diet.
answered Dec 6, 2022
5 votes
218k views
The graph of the function f(x) = –(x + 3)(x – 1) is shown below. On a coordinate plane, a parabola opens down. It goes through (negative 3, 0), has a vertex at (negative 1, 4), and goes through (1, 0).
answered Nov 3, 2022
3 votes
135k views
A 1234 kg freight car moving at 6 m/s runs into a 2468 kg freight car at rest. They stick together upon collision. What was the final combined speed?
answered Sep 13, 2022
4 votes
13.6k views
In "The Monkey's Paw" by W.W.Jacobs, Sergeant Major Morris is a round character. O True False
answered May 15, 2022
4 votes
181k views
A student distills a sample of ink. Devise a simple method to show that the liquid collected is pure water. Include the expected results in your answer.​
answered Mar 21, 2022
3 votes
17.5k views
1. Zerbie sees a psychologist who tells them that the past is not what's important - it's all about their future! Zerbie's psychologists listens carefully to what they say, repeating the information back
answered Jan 23, 2022
4 votes
198k views
Construct at least two possible hypotheses for the student’s experiment.
answered Dec 13, 2021
3 votes
146k views
What if function of WHO?​
answered Nov 25, 2021
0 votes
181k views
2. Through which sense does Keller experience the water?
answered Oct 2, 2021
0 votes
50.5k views
In ΔABC, the measure of ∠C=90°, the measure of ∠A=57°, and CA = 2.6 feet. Find the length of BC to the nearest tenth of a foot.
answered Sep 10, 2021
6 votes
177k views
Find each value of the five-number summary for this set of data. [Note: Type your answers as numbers. Do not round.] 46, 19, 38, 27, 12, 38, 51
answered Jul 3, 2021
3 votes
162k views
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