How does a sound wave travel through air? a. absorption of sound waves
b. traveling by light waves
c. air currents move away from the sound
d. repeating compressions of air particles

Mga halaman/punong ornamental na di namumulaklak

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Earth's atmosphere is composed of mostly two gases. name the two gases that make up the majority of the atmosphere and use the pie chart to tell the percentages of each.