Answer:
D. discovered chemolithotrophs in natural environments.
Explanation:
<em>Sergei Winogradsky is a Microbiologist, an Ecologist and a soil scientist from Russia who discovered chemolithotrophy mode of nutrition while studying a particular genus of bacteria.</em>
<em>He found that the bacteria genus had the ability to oxidize hydrogen sulfide with deposition of sulfur.</em>
the atmospheric pressure decreases upwards, hence the inter-molecular attraction between the air molecules decreases or to say that the inter-molecular space increases and the parcel of air expands.
Look up Dawrin's theory of evolution. Basically, fossil records show how life forms change over time through evolution.
Answer:
Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells. People with two copies of the sickle cell gene have the disease.
Explanation:
Hope thia helps :)
