Answer:
i think it's D I hope this helps :)
Answer:
SIV or Simian immunodeficiency virus
Explanation:
It causes a disease in monkeys similar to AIDS and is closely related to HIV-2 of humans.
Eutrophication is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both.
Eutrophication can be a natural process in lakes, occurring as they age through geological time.
Eutrophication was recognized as a pollution problem in European and North American lakes and reservoirs in the mid-20th century.
Human activities can accelerate the rate at which nutrients enter ecosystems.
Answer:
Surprising
Explanation:
This is surprising because the total number of planets in our solar system are nine which revolve around a central star i.e sun in different orbital paths.
Also, out of 9 nearly four planets i.e Mercury, Earth, Venus and Mars are terrestrial i.e having some land forms. Out of remaining 5 non terrestrial planets nearly four planets are gas planets (Jupiter, Uranus, Neptune and Saturn) and these planets are distantly positioned from the central star
Hence, the given discovery is surprising
