The movement of oxygen across the cell membrane is an example of what type of transport

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.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit