Answers: 3
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.
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Biology, 22.06.2019 13:00
The smallest parts of these that retain their original properties are called
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Biology, 22.06.2019 13:10
Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed
Answers: 2
When and how do scientists think sponges evolved?...
Mathematics, 07.10.2019 18:00
History, 07.10.2019 18:00
Mathematics, 07.10.2019 18:00
Mathematics, 07.10.2019 18:00
Mathematics, 07.10.2019 18:00
Mathematics, 07.10.2019 18:00
History, 07.10.2019 18:00
Mathematics, 07.10.2019 18:00
Mathematics, 07.10.2019 18:00