Which of these is NOT a good hypothesis? * The increase in carbon dioxide is due to the increase in fossil fuel use.

Dinosaurs were much friendlier than people have imagined.

Volcanoes increase the amount of carbon dioxide in the atmosphere.

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

We will use a video to study faraday’s law of electromagnetic induction by analyzing the induction that occurs due a coil of copper wire sliding along an air track that passes through an external magnetic field. specifically, we will: examine some of the main principles behind faraday’s law. apply lenz’s law to determine the direction of the induced emf. take measurements of the induced emf from the voltmeter as the coil passes into and out of the external magnetic field. use the horizontal scale provided to determine the speed of the coil. calculate the magnetic field induced in the coil as it passes into and out of the external magnetic field.