Because the vaccinations are producted in HK or Shanghai...
Answer:
The presence of small amounts of heat-trapping greenhouse gases in the atmosphere warms Earth's surface, resulting in a planet that sustains liquid water and life. c. Changes in climate conditions can affect the health and function of ecosystems and the survival of entire species.Earth and its atmosphere are continuously altered. Plate tectonics shift the continents, raise mountains and move the ocean floor while processes not fully understood alter the climate. Such constant change has characterized Earth since its beginning some 4.5 billion years ago.
Explanation:
Weathering is wearing down objects by elements in an environment
Answer:Capillary action
Explanation: it sticky, thanks to the forces of cohesion water molecules like to stay close together.
Answer:
a gated sodium channels open and sodium ions flood into the cell
