Chemistry, 15.04.2020 17:37 nathangirnet
This chart shows the experimental design of four students who are all observing what kind of bird seed birds tend to eat more often.
Student 1 Student 2 Student 3 Student 4
- Performed the experiment once
- Used the same area, same time of day, and same amount of seeds
- Repeated the experiment 5 times
- Used the same area, different time of day, and different amount of seeds
- Repeated the experiment 2 times
- Used the same area, different time of day, and different amount of seeds
- Repeated the experiment 5 times
- Used the same area, same time of day, and same amount of seeds
Which student is the most likely to have reproducible results?
Answers: 2
Chemistry, 22.06.2019 01:20, sarinaneedshelp01
Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-
Answers: 1
Chemistry, 22.06.2019 09:30, matpakootas521
Why do cells appear different in distilled water than they do in 10% salt water?
Answers: 2
Chemistry, 22.06.2019 12:30, hayleyconsole
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
This chart shows the experimental design of four students who are all observing what kind of bird se...
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