Carbon dating is a process that estimates the age of anything. However, there are flaws that exist. It may not be a precise number, but it does gives a good estimation.
Answer:
<em>The sun or solar energy is at the start of almost every energy
</em>
<em>
chain.</em>
Explanation:
Hunger and thirst are considered to be internal stimuli.
Hope that helped you.
The commonly used instruments for basic medical examinations are:
Stethoscope- to hear the sound due to body movements such as breathing sound, heart beat and intestinal movement.
Stopwatch- To record pulse rate, respiration rate etc.
Weighing scale- measures the weight of the person
Thermometer- to measure the temperature of the body
Sphygmomanometer- This device measures the blood pressure of the person.
Medical halogen penlight- To see into eyes, test pupillary light reflex, etc.
Otoscope- Device to see the external ear cavity.
