Light waves from the sun can travel through outer space and reach the earth. This suggests that light is a(n)
A. mechanical wave.
B. compression wave
C. longitudinal wave
D. electromagnetic wave

On a cold day, when the air temperature is 0°c, you empty your lungs and take a deep breath, filling your lungs with 4.2 l of air. if you hold your breath until the temperature of the air in your lungs reaches 37°c, what is the volume of the air in your lungs at that point, assuming the pressure does not change?

Asap 1. which surface feature of the moon is characterized by mountainous areas? question options: maria terrae regolith craters 2.which statement describes surface features called maria on the moon? question options: layers of dust and rock deep areas of cooled lava deep, rocky and barren valleys highlands and mountainous areas

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?