By squeezing the food and pushing it towards the digestive juices in your stomach
Answer: Sound waves require a medium to transfer energy.
Explanation: Sound and water waves are mechanical waves meaning that they have to have a medium to travel through. The medium my be solid, liquid, or gas and the speed of the wave depends on the material properties of the medium.
Answer:
No present empirical evidence supports the idea of that natural causes can result in an increase of complexity. The idea that descent with modification has happened in the past is supported by the fossil record. This makes the fossil record the strongest evidence for Darwin's theory of evolution
Explanation: