Answer:Most fabrics made of synthetic fibres do not wrinkle easily. Fabrics made of synthetic fibres are generally more durable, less expensive, and more readily available than those made of natural fibres. Most synthetic fibres can handle heavy loads without breaking. 5 demerits are
They easily melt and burn to form small sticky beads at a very high temperature. ...
Unlike natural fibers, they do not absorb sweat. ...
They get electrically charged in dry weather. ...
They are not biodegradable, and hence, cause a lot of pollution.
Explanation:
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If a light bounced off at a 40 degree angle it would bounce off at an 80 degree angle. Hope i am right
N=V/Vm
n - the number of moles
V - the volume
Vm=22.4 L/mol - the standard molar volume of gas
All eukaryotic cells have a cell surface membrane (aka plasma membrane). It is very fragile. its role is to hold the cell together and to help control what substances can get in and out. (It is partially permeable) allowing only some substances to pass through it.