Since direct current passing through a coil can produce magnetic field, the theory of induction says:

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.

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good