Which of the following best explains why marine debris is not caused solely by countries bordering the ocean? a. marine debris mostly originates from oceangoing ships. b. debris is carried to the ocean by winds, rivers, and storms. c. marine debris originates from natural sources. d. none of the above

Match each term to its best definition? sedimentary depositional enviornment

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.

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis