Unit test review which expression can be simplified to find the slope of the trend line in the scatter plot

Which best summarizes what scientists learned about how microbes benefit the human body? they are part of a normal human ecosystem. they have become less harmful to humans than they used to be. they process nutrients, fight disease, and accommodate change. they humans overcome the effects of antibiotics.`

Tu es venalicius; tu servos in foro (vendo,vendis,vendit)

In nectar in a sieve, rukmani marries a tenant farmer of the class. brahmin kshatriyas sudras vaishyas