1. Which atmospheric layer is closest to planet earth?

A neutral atom of aluminum has 14 neutrons and 13 protons. How many electrons does this aluminum have? 1 13 14 27

According to Hubble's law, what is the recessional velocity of a galaxy that is 108 light-years away from us? (Assume a Hubble constant of 22 km/s per million light-years.)

A car travels a distance of 100 km in 2 hours. what is the average speed of the car (km/h) ? 9

What effects do oceans have on climate? A. Ocean winds bring rain and fog and often bring warm water that keeps the climate mild. B. Ocean winds usually bring snow and freezing temperatures. C. Ocean winds often deliver very hot air and dry weather.

Explosion in antarctic sea ice levels may cause another ice age. True or False

What do we call seismic waves that are transmitted along the outside of earth?

A wave with a speed of 437 m/s has a frequency of 28 hertz. What is the length of the wave?

Which situation is contrary to Newton's first law of motion? An object at rest begins to move when an external force is applied. A moving object has a constant velocity under the influence of balanced forces.

Since you've determined that the power supply is a 700W dual rail, what does that make the maximum output power?

A 2 m length of an aluminum pipe of 240 mm outer diameter and 10 mm wall thickness is used as a short column to carry a 640? centric axial load. Knowing that? = 73? P? and? = 0.