He used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
The lowest begins with the atom and the highest ends with the biosphere.
Answer:
Once a person has developed mumps they remain immune to that disease for the rest of their lives. Therefore if they come in contact with the virus again their immune system recognises the virus and eradicates it. To improve your immune system you can eat healthy and exercise often.
Explanation:
A seahorse is a good answer
In 2017, about 10 percent of the total U.S. energy consumption came from renewable energy – including biomass, geothermal, hydropower, solar and wind – and about 17 percent of the nation's electrical consumption came from renewable sources.
