Biology, 04.04.2020 00:07 cchavcchav9606
The dimmer star in a two-star system passes in front of the brighter star. Which phenomenon does this describe?
Answers: 3
Biology, 21.06.2019 15:00
Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have
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Biology, 22.06.2019 02:00
Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.
Answers: 1
Biology, 22.06.2019 07:30
Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
Answers: 1
The dimmer star in a two-star system passes in front of the brighter star. Which phenomenon does thi...
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