Metamorphic rocks change over time with the help of pressure and heat, the more pressure or heat which is added to the rock, the greater the alteration of the rock will be
Answer:
¿Por qué los historiadores han dividido la historia en etapas?
Explanation:
Answer:
14
Explanation:
A=pi × r²
153.86 = 3.14 × r²
Divide both sides of the equation by 3.14
it becomes:
r²=153.86÷3.14
r²=49
taking the square root for both sides of the equation
r = 7
and
diameter = 2 × radius
diameter = 2 × 7 = 14