Answer:
Bonded to meteorites that hit the Earth
Explanation:
The<u> origin of water on Earth</u> is being linked to the existence of very old meteorites that have been found on Earth. The<em> "Carbonaceous chondrites," </em>which are meteorites, have a similar content to that of seawater. Its<u><em> isotope levels</em></u> for hydrogen and nitrogen are similar with <em>Earth's seawater</em>. They're believed to have come from the outer asteroid belt and later on delivered water to Earth after collision.
It's the last one."This is a result of anaerobic respiration".
Natural selection relates to adaptations except for Natural selection grants a species any trait it might need for survival
Explanation:
The ways in which an organism adapt to its changing environment is termed as natural selection. The individual with better trait compatible to the environment adapt themselves and reproduce to pass on the useful trait to its offspring. Through the process of natural selection, population survives.
Natural selection is also responsible for speciation where new species can occur in population.
If the environment changes rapidly, some of the species are not able to adapt
and eventually gets deleted from the environment.
Natural selection itself does not provide any trait to the species or population it is just a way how species adapt with traits they inherited over a period of time.
