While discussing the results of a load test: technician a says that if a battery fails a load test but the volt-age rises above 12.4 volts when the load is removed, the battery should be replaced. technician b says that if a battery fails a load test but the voltage rises above 12.4 volts when the load is removed, the battery is able to hold charge. who is correct? a) techanican a b) technican b c) both a and b d) neither a norb

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Simple machines can a. increase force only b. decrease force only c. increase or decrease force