1. The diagram below shows four rock outcrops: W, X, Y and Z. Numbers 1 10 pc through 4 represent specific fossils. Question: Which rock layer is the
oldest? *

The term used to describe a disease-causing microorganism isa. virus.b. infection.c. pathogen.d. microbe.e. bacterium.

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.