Answer:
zircons
Explanation:
they are over 4.375 billion years old
Acids are danger so stay away
answer: derived physical quantities are those quantities that are obtained from the basic physical quantities by multiplication or division and area is one of them
Acceleration is the rate of change of velocity as a function of time. For example a car traveling at 50 km/hr starts to accelerate, 10 seconds after, its speed changes to 100 km/hr then the acceleration of the car during the time can be calculated as below: initial speed = 50 km/hr.
