Which is the hottest layer of the Sun's atmosphere?

A. photosphere

B. chromosphere

C. corona

D. radiative

E. convective

Observe the patten of earthquakes and volcanoes in relation to the crustal plates, are they scattered all over the plates or is it there a pattern? Describe your observations.

A water main is to be constructed with a 20 % grade in the north direction and a 25 % grade in the east direction. determine the angle theta required in the water main for the turn from north to east.

An ambulance travels down a high way at a speed of 75.0 mi/h, its siren emitting sound at a frequency of 400 Hz. What frequency is heard by a passenger in a car travelling at 55.

A 1000 kg car traveling 20 m/s east experiences an impulse of 2000 Ns west. What is the final velocity of the car after the impulse has been applied?

A speck of dust on a spinning dvd has a centripetal accelera - tion of 20 m/s2. a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk? b.

A sodium has an atomic number of 11 and the atomic mass of 23. Determine the its proton, electrons, and neutrons

In physics, what is the difference between a battery and a cell?

Space rover weighs 100 N on Earth while a different space rover weighs 100 N on the moon When you compare the masses of the two space rovers, which rover has the greater mass?

Which electromagnetic wave types have frequencies higher than visible light?

How are calculation for velocity and speed different