What type of wave is energy transmitted and a definite direction in with a definite speed

Consider a simple ecosystem of a shrub, worm, bird, and soil microbes and identify the producer, primary consumer, secondary consumer, and decomposers.

A compact disc stores music in a coded pattern of tinypits 10^ (-7) m deep. the pits are arranged in a track thenspirals outward toward the rim of the disc; the inner and theouter radii of this spiral are 25.0 mm and 58.0 mmrespectively.

Every 24 hours, about how many hours are spent socializing and watching tv?

Where is your diaphragm located? A. below your rib cage B. underneath your trachea C. above your lungs D. behind your heart

Radio signals travel at a rate of 3 * 108 meters per second. how many seconds would it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a height of 9.

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?