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select the correct answer from each drop-down menu.
water is an important part of the biogeochemical cycles on earth. complete the sentences about water,
in the water cycle, water from rivers, lakes, and streams, enters the atmosphere through
in the carbon cycle, water exits the pores of leaves in plants by a process known as
in the nitrogen cyde,
move nitrogen from the atmosphere into the soil.
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Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.