Why do ppl have to be mean? is it in their nature or were they born with it?

Which step would a state health department most likely take to reduce lead exposure? promote health-planning operations to limit lead exposure at home.evaluate the number of countries affected by lead exposure.create general national guidelines for working with lead.carry out research on the worldwide effects of lead products.

Why is sustainable agriculture so important?

How quickly a drug enters your bloodstream also depends on