1 c is the answer. <span>Energy is not created or destroyed; it can change form or can be transferred.
2d work is calculated as newton x </span>displacement so 60 x 4= 240 joules
The universe focuses on system
Prokaryotic cells would be plant cells
eukaryotic cells would be human/animal cells
The parts wich are derived from these three areas include:the cerebellum,the brain stem of the brain stem consists of the parts:the midbrain,bridge brain,the medulla oblongata.other parts of the brain including the thalamus,hypothalamus and limbic device.
Firstly they are not membranes and they are villi's which increase the surface area during digestion