Which of the following polymers functions as insulation to animals conserve heat

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond