What scientific principle causes the different layers of the earth

Meteorite On October 9, 1992, a 27-pound meteorite struck a car in Peekskill, NY, creating a dent about 22 cm deep.

A battery provides a potential difference of 3 V so that a current of 2.5 A flows through a bulb. What is the power of this bulb?

Which term describes the object that a satellite revolves around? O O A. Orbit B. Period O C. Central body O D. Rotation

If a light ray from a candle strikes a mirror at an angle of 40° with the normal, at what angle will the ray reflect? 0 A. 20° 0 B. 25° 0 0 0

Which of the following is not a manmade cause of global warming?

A building that is 105.50 ft. feet tall is casting a shadow that is 37.50 ft. feet. If the building next to it, is casting a shadow of 41.00 ft. feet, how tall is that building?

What is the technical name for super glue type adhesives

On his fishing trip Justin takes the boat 25 km south. The fish aren't biting so he goes 10 km west. He follows a school of fish 15 km north. What distance did he cover? What was his displacement?

n open rectangular tank is filled to a depth of 2 m with water (density 1000 kg/m3). On top of the water there is a 1 m deep layer of gasoline (density 700 kg/m3). The width of the tank is 1 m (the direction perpendicular to the paper).

Is the sun considered a star?