Because you can detect and see if they are the carriers of a certain disease for the future
The seismograph was important to ancient china because it could detect an earthquake and warn people so they could escape.
The tests most commonly used to detect HIV do not test for the virus itself. These types of tests detect antibodies the body produces in response to HIV infection. The body does not immediately start producing antibodies in enough concentration for the test to detect them. Depending on the test, it can take up to 6 months after exposure for someone to test positive. The amount of time required for accurate results varies depending on the test. For more accurate information about HIV and the testing process, I encourage you to check out www.thebody.com
so if answering an important question they can trust the answer yougive
Puffin crossings have special sensors built in which can detect when people is there.
Cardiac monitoring is most important for people just returning from a surgery or people that are currently in an unstable condition. By doing so one can detect possible heart issues in a very early stage.
Yes, some dogs are trained to detect lung cancer in people.
Most people can detect about 10,000 different smells!
Some important people associated with Christianity are the four evangelists Matthew, Mark, Luke, and John. Paul is also important, because many of his letters appear in the New Testament.
Most people infected with HIV will develop detectable antibodies to the infection within three months of exposure
There are many reasons why it is important that a smoke alarm incorporates CO2 sensors in them. Many people have died as a result of carbon oxide poisoning so it is important to be able to detect dangerous levels of the element.
Antibodies protect people from disease because they are special defenders designed to fight a particular virus. Vaccines introduce small amounts of the virus into the body so it can build up antibodies against the disease.
Because the people whose eyes could not detect visible light didn't surviveto have children. They were completely outclassed, outhunted, and outfoughtby the people whose eyes could detect it.