Hey there!
<span>The near extinction of many bird species was caused by:
Answer: </span>
<span> use of DDT
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Answer:
DNA,cytoplasm,cell membrane flagellum
Scientist or NSASA would have to place it in orbit around the earth,since most of the x-rays in the universe are absorbed by the atmosphere .
Answer:
Earth rotates on its axis; this causes us to experience day and night.
Explanation:
There is a time when Earth's north pole is tilting 23.5 degrees toward our Sun.
Answer:
The carbon dioxide reacts with water to form carbonic acid.
Explanation:
CO2+H2O=H2CO3
In this reaction carbon dioxide(CO2) and water(H2O) act as reactant to form carbonic acid(H2CO3) which is a weak acid.
The above reaction is an important reaction carried out by bicarbonate buffer system to maintain normal acid base balance inside our body but this buffer system includes an additional reaction in with carbonic acid is ionized to form H+ and HCO3- ion or bicarbonate ion.
