Answer:
list of three devices are 1st phone 2nd doorbell 3rd alarm clock
Explanation:
if these devices will not produce sound then we can not do our work properly these are very useful for everyday life
The first one should be correct
Hope that helped
The cellular membrane, in the case of cells that don't have a rigid cellular wall, outlines the cell and contains the cytoplasm but it's the cytoskeleton that is more responsible for the shape of a cell, which come in a variety of shapes: squamous, cuboide, colunar, neurons, etc. In cells that do have a rigid cellular wall, such as plant cells, it's the cellular wall that gives it <span>its shape.</span>
Individual , population , community then ecosystem.