Answer:
When sound gets louder, there are more vibrations and higher amplification.
For the first one is 1 and the other one is gaseous water
An ecological pyramid is a graphical representation designed to show the biomass or bio productivity at each trophic level in a given ecosystem. Biomass pyramids show how much biomass is present in the organisms at each trophic level, while productivity pyramids show the procreation or turnover in biomass.
C)because many orginisms can live in the same area.However an ecosytem does not always eat the same the same food
The answer is B (speed up chemical reactions).
