A vaccine can help keep people healthy and protect them from a certain virus. For example people in the United States get the flu shot when they get this shot the vaccine wont magically get rid of the virus but rather help them fight it off and protect them in the future if they keep up to date getting the vaccine
Answer:
cells
Explanation:
cells are the smallest unit that can carry life
The answer is B, DNA to RNA to protein
Answer:
Yes,
Explanation:
Global issue such as global warming can alter the temperatures, cause seasonal precipitation, cause elevated amounts of carbon dioxide and can cause various ecological disturbances such as flooding which prevents the secondary succession to progress.
For more explanation visit
https://19january2017snapshot.epa.gov/climate-impacts/climate-impacts-forests_.html
The correct answer would be D), over millions of years, Pangaea broke apart and drifted to form the seven continents.
