In 1989, an oil tanker known as the Exxon Valdez struck a reef in Prince William Sound, Alaska, and spilled 11 million gallons of crude oil into the ocean. This event is an example of
a natural disaster.
a chemical disaster.
a mass loss of power.
an infectious outbreak.

What behavior of an expectant mother is unhealthy for the fetus

Select the correct answer from each drop-down menu anne has a endocrine system disease. choose the correct way to complete each sentence

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.