Answer:a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
Explanation:
I believe it’s A but I’m not too sure
Reason; Warm air rises, and when it rises it becomes cooler. ... If the pressure of the surrounding air is reduced, then the rising air parcel will expand. The molecules of air are doing work as they expand. This will affect the parcel's temperature (which is the average kinetic energy of the molecules in the air parcel).
Bat wings are made of a rubbery substance while eagles wings are covered in feathers
The DNA is stored in the nucleus of the cell. Different genes are active in different kinds of cells. Most living things are composed of different kinds of cells specialized to perform different functions. A liver cell, for example, does not have the same biochemical duties as a nerve cell.
You might be able to find the differents in these.