Which of the following statements about a horse-shoe magnet is true? North Pole of the magnet is stronger than the South Pole.

Both the poles in this magnet are very close to each other.

It contains only one pole.

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Does anyone have the answers to online physics course plato course physics, semester a v3.0