The biome in which polar bears are found is very cold.
<span>c. single-unit packaging.
Single-unit packaging is when the only quantity of medication that's given to the patient is that that's enough for that intake. In an institutional setting, medication is given at the right time, at meals, or off meals, whenever it is prescribed - the patient does not need to worry with when to take or how many he/she still have. The dose given is to be taken right then and is prepared for only one dose intake.</span>
"Pacemaker" is the one choice among the following choices given in the question that is the treatment that can also regulate heart rhythmsthat has replaced drugs in some cases. The correct option among all the options that are given in the question is the first option or option "A". I hope it helps you.
Actions taken to avoid risks are proactive factors
