If p and s waves were to travel at the same constant speeds what could be inferred about the earths interior

If scientists only detect p waves in a certain layer of earths interior what does that tell us?

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.

What is likely to happen in the long term if the earth continues to absorb more energy than it emits? a. the earth will discontinue recycling energy. b. organisms will begin to compensate for the change by incorporating more energy. c. the overall temperature of the earth will increase. d. the nutrient cycles will happen more frequently. select the best answer from the choices provided a b c d