Answer:
Blocking the rays physically....
Explanation:
There have two ways that sunscreen protect minerals nanoparticles from uv radiations. Those are; blocking the rays physically
Absorbing them chemically.
Minerals powders are in nanoparticles from they come on clear without leaving much of white residue on skin
. Tachycardia means ...................heart rate a) fast b) slow c) irregular d) arrhythmic
Answer: Blister
Explanation:
A blister is a fluid filled bubble like structure which develops in the uppermost layer of the skin that is epidermis. It may also form within the epidermis and dermis.
It develops due to friction, infection, freezing, burning, burns and contact with chemicals. Blister can also be caused due to diseases.
It can be filled with blood, plasma, serum and pus.
