a stone set up beside a road to mark the distance in miles to a particular place
<u><em>yeah this is big brain time</em></u>
I think to protect oneself from possible blood borne pathogen transmission when providing care it is important to use PPE such as disposable gloves, breathing barrier or mask. PPE is an abbreviation for personal protective equipment; they are equipment that will protect the user against health or safety risks at work. They may include items such as safety helmets, gloves, eye protection, high-visibility clothing, safety footwear and safety harnesses.
Answer:
the answer is under explanation.
Explanation:
The body produces a chemical known as histamine, in an effort to protect the body from foreign substances, which is partly what causes the swelling and itching. Taking an over-the-counter antihistamine such as Benadryl right after getting stung can reduce these symptoms.
It was the structure of DNA. Watson and Crick stole the credit from a woman whose name I can't remember, but basically she took really long exposure photographs (24 hours for some) and saw an X shape, which was the corresponding sign of a double helix. It was a pretty complicated method she was using and nobody had thought of using it for DNA research until then.