Which filter is used primarily to protect the lens? a: polarizing b: macro c: haze d: nd

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Describe the function of the endomembrane system? what organelles are involved?