What happens during gas exchange?
a. red blood cells exchange carbon dioxide for oxygen...
Answers: 3
Biology, 22.06.2019 07:30, ebzloera
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
Biology, 22.06.2019 08:00, lmorace
Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.
Answers: 1
Biology, 22.06.2019 11:00, ThetPerson
Examine the air pressure map. which type of line is shown on the map?
Answers: 1
Health, 05.07.2019 08:30
Mathematics, 05.07.2019 08:30
Social Studies, 05.07.2019 08:30
Health, 05.07.2019 08:30
Social Studies, 05.07.2019 08:30