True Kinetic friction is affected by the weight of the object
Answer:
Explanation:
Rocks tell us a great deal about the Earth's history. Igneous rocks tell of past volcanic episodes and can also be used to age-date certain periods in the past. Sedimentary rocks often record past depositional environments (e.g deep ocean, shallow shelf, fluvial) and usually contain the most fossils from past ages.
The answer is a because it never needs to be insulated
Answer:
>400N is needed to balance that lever
