GIVING OUT BRAINLIEST Which statement describes the energy that a longitudinal wave carries as its amplitude decreases?
It increases and is perpendicular to the motion of the wave.
It decreases and is perpendicular to the motion of the wave.
It increases and is parallel to the motion of the wave.
It decreases and is parallel to the motion of the wave.

How much energy is made when a pice of wood burns. how do you know

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?