Mike is measuring sound waves as they travel through different materials. Which of the following will Mike find to be true about
sound waves? 1. They travel the fastest through solids.
2. They travel the fastest through gases.
3. They travel more slowly in solids than in liquids.
4. They will speed up as they travel from a solid to the air.
<span> Cells are the basic units of life. All living things are made of cells. <span> All cells are produced by existing cells. very few cells reproduce </span></span>