If a car changes its velocity from 32 km/hr to 54 km/hr in 8.0 seconds, what is its acceleration?

216 km/hr/sec
2.8 km/hr/sec
-216 km/hr/sec
-2.8 km/hr/sec

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.

Select the correct answer from each drop-down menu. choose the correct words.to complete the statements about career planning. throughout your job search, you’ll find that is closely related to the career of your choosing. it’s important to take the time to find out what to expect now, so you can start developing the you need to excel in that career