Which of the following pairs of terms directly relates to the actual brightness of a star?

A. absolute magnitude and luminosity

B. apparent magnitude and luminosity

C. size and luminosity

D. absolute magnitude and apparent magnitude

Which of the following is a proper unit of accerlation

Alpa wants to change kilometers into a smaller metric unit she will have to

At 8:00 AM you leave home and walk 0.5 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 10 km away, and arrive at 11:45 AM. What is the total distance traveled? 2.8 km/h 10 km 10.5 km 11 km

What is needed to reverse the process?

Information from which evidence led scientists to believe that the continents were parts of larger plates? A. data from hot spots B. movement around the poles C. ocean current studies D. mid-ocean ridges and earthquakes

The ability of an object to vibrate by absorbing energy at its natural frequency is called?

A hurricane in the Gulf of Mexico to 15 hours to travel 360 kilometers. What is the average speed of this hurricane in kilometers per hour?

Which organization functions to privide clinics and surgeries i developing nations

What role do convection currents play in oceans and the atmosphere?

What causes density currents to form in the mediterranean sea? a. condensation b. evaporation c. transpiration d. upwelling