The diagram below is a model of feeding relationships in a garden each arrow in the diagram points from an organism to the animal that eats it what kind of model is shown a. conceptual b. chemical c. physical d. mathematical

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Why would satellite imagery be more useful than a map in some instances? check all that apply. provides landmarks such as buildings is an overhead view of earth’s features can be used when internet is not available provides small details of roads for digital maps provides various methods of transportation to a location

Collin would like to use the data a coworker has entered in a database. the problem is the coworker's database software is different from collin's. collin should