True or False The theory of plate tectonics explains how the Earths core moves and why earthquakes and volcanoes occur?

All galaxies follow the law of gravity. True or False

Which component is used to measure the current in a circuit

How do matter and energy interact to produce weather patterns

What can one say for sure about element #99, Einsteinium (Es)) ? a) There's no such element! b) It is an alkali metal. c) It is radioactive. d) It has 253 neutrons. e) It increases one's 1. Q. slightly when swallowed.

What unit is used to measure the period of a wave

How long is a pendulum with a period of 1.0 s on a planet with twice the gravity of the earth? 0.25 m 1.0 m 0.50 m 0.10 m

In an AC circuit that contains a resistor, a capacitor, and an inductor, impedance replaces the DC concept of resistance. Explain briefly the difference between the two quantities.

Parallax can be used to measure a star's

un objeto se lanza verticalmente hacia arriba con una velocidad de 40 km/h calcular el tiempo que tarda cuando alcanza su altura maxima

What gas law looks at the relationship between pressure and temperature of a gas? A) Boyle's Law B) Charles' Law C) Gay Lussac's Law