I will mark brainiest answerer pls A certain machine has an efficiency of 80% .Is the load moves a distance is 2m as the effort moves 8m, how large a force is required to lift a load of 320N?​

Which is an advantage of subdividing science into different areas?

The proper order of the cycle of addiction is

Fossils have been found on two continents that are split apart, this is evidence that ? a. there was a bridge b. the continents were once joined together c. the life just appeared in two locations independently d. they swam across the ocean