True, physical excercise helps
Answer:
Balances and Scales
A balance compares an object with a known mass to the object in question. One example of a balance is the triple beam balance. The standard unit of measure for mass is based on the metric system and is typically denoted as kilograms or grams.
Energy Produced by water and heatfrom the inner core of the earth of the earth
Answer B. the direction of force is the same