PPE primary use is to protect the user. Thus, answer is B) to protect the first responder from diseases
You didn't provide any concepts? How our lives are best conceptualized and which aspects encompass them best is a good question to pose and hard to answer at the same time. One might say that there are hardly enough concepts which can thorooughly explain what our lives are about.
I think it might be illnesses or bacteria. that would be my guess.
Phagocytes are cells that kill bad things by engulfing them.
ANSWER: B
Answer:
<h2>C. Core Sample</h2>
Explanation:
A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the core sample is called the "core hole".
