Which pair of objects has the largest gravitational force? Choose the correct answer.

marble and car

marble and baseball

car and bowling ball

There is no gravitational force between any of these pairs of objects.

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?