Which of the following best describes chemical weathering? (4 points) A process in which ice wears away at rocks over a long period of time
A series of changes that moves rocks from one area to another
Any small-scale event such as rain or fog
A process that changes the composition of rocks, causing them to break down

List the 4 steps for scene assessment (what you do at the very beginning) for an adult

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

Effective antiviral drugs are usually associated with which of the following properties? a) interference with viral replicationb) prevention of the host from becoming infectedc) removal of viral proteinsd) removal of viral mrnas