Suppose a friend tells you that scientific theory is guesswork and is not supported by evidence. Do you agree with
your friend? Why or why not?

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Which represents a negative impact of technology

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?