If, in the remote future, we establish a base on mercury, keeping track of time will be a challenge. discuss how to define a year on mercury, and the two ways to define a day. can you come up with ways that humans raised on earth might deal with time cycles on mercury?

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?