Explanation:
In thermoplastics, the arrangement of monomeric units is linear and in thermosetting plastics, it is cross-linked. Thermoplastics are usually soft, weak and less brittle, so can get soften on heating and stiffen on cooling. They can be melted, remoulded and recycled easily.
Answer:
The cell membrane controls what goes in and out by having protein channels that act like funnels in some cases and pumps in other cases. Passive transport does not require energy molecules and happens when a funnel opens in the membrane, letting molecules flow through.
Answer: Nematodes move through their longitudinal muscles which causes pressure throughout their body and it flexes instead of flattened and with the thrust it moves forward, In Case of earthworms it uses t
It is algae because it is bacteria and bacteria live and breathe.
