What level of organization is formed when many cells come together ?

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

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

What type of plant is good for a bioassay and where can i buy it? i only have a month.