In which natural cycle must an important gas in Earth's atmosphere be fixed before plants can use it?

a. sulfur cycle

b. carbon cycle

c. nitrogen cycle

d. oxygen cycle

A periodic wave has a fixed pattern that repeated. What is one completion of the wave pattern called

Money is not a medium of exchange for acquiring goods and services. a. True b. False

A small model of a pump is tested in the laboratory and found to have a specific speed, nsd, equal to 1000 when operating at peak efficiency.

Which medium is more denser diamond or water

During a snowball fight two balls with masses of 0.4 and 0.6 kg, respectively, are thrown in such a manner that they meet head-on and combine to form a single mass. The magnitude of initial velocity for each is 15 m/s. What is the speed of the 1.

What does 4_2 helium means

The type of energy transferred by a wave in a medium is energy

With an average acceleration of - 2.4 m/s2, how long will it take a cyclist to bring a bicycle with an initial speed of 13.2 m/s to a complete stop? Answer in units of s.

Which term defines the energy of motion? a. chemical energy b. electrical energy c. gravitational energy d. kinetic energy user: what is electromagnetic energy that travels in transverse waves? a. nuclear energy b. potential energy c.

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?