Most environmental health studies helped to understand associations between an exposure and an outcome. Check all of the following that represent criteria we might use to assess whether that association is causal.
A consistent association that has been observed repeatedly "by different persons, in different places, circumstances and times. ... .
O The association is biologically plausible based on existing science
O We observe that the cause occurs after the effect
O The association cannot be reversed when the risk factor is removed
O There is a strong association between the exposure and outcome