Please help <><><>?> Which statement describes the use of a nonrenewable resource to meet human needs? (a) fish used for food
(b) ash trees burned as fuel
(c) river water used for recreation
(d) mineral quartz used in manufacturing

Observations show that interstellar clouds can have almost any shape and

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? round your answer to the nearest tenth. s how far will the football travel before it lands? round your answer to the nearest tenth. m