Feathers are modified as scales. According to the history, birds which have feathers are the descendants of the dinosaurs which have scales.
That's why feathers are categorized as scales in the present record according to studies. <span />
<span>Low Level Clouds: CUMULUS: Fair weather cumulus clouds form when a parcel of air rises and water vapor condenses into water droplets. ...Middle Level Clouds: ALTOSTRATUS: ...High Level Clouds: CIRRUS: ...<span>Nimbus Clouds: NIMBOSTRATUS:</span></span>
Answer:
a paper plane also known as and paper aeroplane in American English or paper aeroplane in British English is it toy aircraft usually a glider made out the single folded sheet of paper or paper boat a simple noise heavy paper plane truth like a dot is also known as paper
D because it’s healthy for the baby to eat protein