Pluto's distance from the Sun is 39.44 AU. What is it's orbital period (in Earth years)? *
O 248 Earth Years
O 84 Earth Years
O 165 Earth Years
O 29.5 Earth Years

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

An object dropped from cliff falls with a constant acceleration of 10 metre per second square find its speed of two seconds after it was dropped