Penny = compound
water = element
i think
Hard hat: protects the head from falling objects
Leather gloves: protects hands from cuts and debris
Goggles: protects eyes from dust and air borne debris
N-95 respirator mask: prevents from breathing in dust, hazardous gases
Yellow vest: allows others to recognize that you are a responder and not a victim
Answer:
Prior to more stringent blood safety measures and more sensitive tests, HIV from infected blood donors made its way into blood products. From the late 1970s to the mid-1980s, about half of all people with hemophilia became infected with HIV after using contaminated blood products.
Epithelial cells is the type of tissue that is designed to regulate temperature, secrete lubricants, and protect the body from harmful substances. Hope this helped! :)
Answer: Please show me your options, so that I can help you with this lesson.
Explanation: