The student will investigate and understand how sound is created and transmitted, and how it is used.
compression waves;
b) "bration, compression, wavelength, frequency, amplitude;
C) the ability of different media (solids, liquids, and gases) to transmit sound;
and
d) uses and applications of sound waves.

How would having more railroad tracks be advantageous during a war

35 points pls fast. in a citizens elect the president as head of government separately from the legislature. question 1 options: parliamentary democracy communist state presidential democracy autocratic state question 2 (1 point) this form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary question 3 (1 point) this is a government controlled by one person with absolute power. question 3 options: communist democratic autocratic parliamentary question 4 (1 point) a government is a government system where all citizens that choose to vote have a say in their government. question 4 options: communist democratic autocratic theocracy question 5 (1 point) in a the people elect the legislature, and the legislature chooses the head of government. question 5 options: parliamentary democracy communist state presidential democracy autocratic state

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.