(No files or links) Which of the following is a defining property of gases? a. lack of a fixed volume, but having a fixed shape
b. having both a fixed volume and shape
c. lack of a fixed volume or shape
d. having a fixed volume, but lacking a fixed shape

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

An alien spaceship is 500 m above the ground and moving at a constant velocity of 150 m/s upwards. how high above the ground is the ship after 5 seconds?