D. friction pulls the skates wheels westward
F1 stands for first filial (daughter) generation
<span>F2 stands for second filial (daughter) generation</span>
They are composed of proteins. I cannot see the options but hopefully that answer is in one of them
Work done= <span>force x distance moved in the direction of that force so: 200 x 15 = 3000J=4kJ</span>
Giant squid can be found In the North Atlantic ocean.
