Radiocarbon dating can be used to date fossils in rocks to give an approximate age.
Explanation;
Radiocarbon dating is a technique for defining the age of an object involving organic material by using the properties of radiocarbon, a radioactive isotope of carbon.c material through using the properties of radiocarbon, a radioactive isotope of carbon. The development of radiocarbon dating has had an intense influence on archaeology
Answer:
1.The S.I unit of speed is meter/sec .The bigger unit is Km/hr .
2.Yes, the car is accelerating .
The car is moving with constant speed but at the same time ,it is changing its direction continuously: This refers to non-uniform velocity which further give rise to acceleration.
Acceleration is rate of change of velocity .
3.Speed is defined as distance traveled in a given time .Therefore it can be calculated as : Speed =Distance /Time .
4.Total distance traveled = 105 Km /hr .
This is an example of speed .
The reason being they have not specified the direction in which car is travelling .The only difference between velocity and speed is the mentioning of direction because speed is scalar quantity and velocity is vector .physical quantity .
5.Acceleration can be calculated as : Change of velocity /time
The answer would be true because any water can have any risk, not all water is healthy for your body because sometimes even though water filters about foreign objects, it can still affect your body in any way.
The best answer would be:
Unconditioned stimulus
In Pavlov's experiment on conditioning the food was the unconditioned stimulus that triggers a reflex or natural behavior. Think of it like something that makes you do something automatically.
For example, the food. When the dog smells food, it salivates. This is unconditioned because without teaching the dog, it automatically responds by salivating.