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Both species are part of the same phyla, Echinodermata. They both live in marine environments, have the same feeding system, hasve ambulacra and tube feet, which they use for respiration.  However, there ...

This is a question my A Level English teacher would always ask, how do words shape meaning?

Although seemingly a very broad question, we must always look at how the words/ language fit in the extra...

this means that there are 5 parts to share out altogether. (2+3=5) So you take the value you wish to share and divide it by 5. once you've divided the value by five, to share in the ratio 2:3 simply means...

the phase difference between sine and cosine graphs is pi/2. so when the sine function is applied to an angle, to get the corresponding answer but from a cosine function you simply add pi/2 (Radians only,...

Force=(mass)x(acceleration) F=2x2=4N Work done=(Force)x(distance) W=4x10=40J