Based on the information from the article, The effectiveness of one thermometer pill is temporary.
Answer: Option A
<u>Explanation:</u>
This thermometer pills is used as an indigestible pill that aids to monitor the core temperature of the body. It is used to monitor the temperature of the body in an astronaut, climbers and athletes. Increase in core temperature results in thermo related disorders.
The thermometer pills is ingested into the host before 6 hours so that there is no interference due to the liquid intake. The subject is continuously monitored and the results are published through the computer.
The effectiveness of one thermometer pill is for 27 hours and it can be used only once. It is very costly too and as they intimate in case of high temperature it helps to protect the subject when the body reaches high temperature.
The predicate nominative "renames" the subject. The subject of the sentence is "Algeria" , so we're looking for another way of referring to Algeria here. This is "country" so the correct answer is A.
