A singer sings a note into a microphone. Which of the parts of the wave would be affected by the microphone and how?
A) D, the frequency would get higher.
B) C, the wavelength would get longer.
C) C and D, the amplitude and wavelength would increase.
D) A, B and D. The amplitude and crest would be higher, while the trough would be lower.

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.