An element is also a pure substance. The reason for this is because an element contains only one type of particle.
Option A is correct
The answer is C, because if something contagious we’re to threaten the population of the species then not having any variant means they’re all the same and it would kill them all and cause them to go extinct
Answer:
Tissue forceps are used in surgical procedures for grasping tissue. Often, the tips have "teeth" to securely hold a tissue. Typically tissue forceps are designed to minimize damage to biological tissue.