Answer:
A
Explanation:
<em>The correct option would be </em><em>A.</em>
<u>The presence of ammonia in the atmosphere of primitive earth provided the nitrogen found in the amine groups of amino acid and the nitrogenous bases in DNA. This has been proven through the simulation experiment of the primitive earth's atmosphere by Stanley Miller and Harold Urey.</u>
The water in the primitive atmosphere was formed from the condensation of water vapour from volcanoes that were characterics of the earth's environment while oxygen in itself is not needed for photosynthesis but a by-product of it.
Answer:
Burning fossil fuels add pollution in the air and also its not a renewable source.
Explanation:
When you burn fossil fuels (oil, Coal, And much more) chemicals can pollute the air sorrunding the area. which causes climate change and more.
If you could give brainliest that would be awesome!
Answer:
C
Explanation:
Looking at each embryo at the begining you can tell they are very similar, in fact its almost impossible to tell the difference. this tells us that they have a common ancestor because the orignal cells of the embryos are so similar
An antibody is also known as an immunoglobulin. It is a
glycoprotein that plays a critical role in the immune system by identifying and
destroying invading foreign particles such as viruses and microorganisms. Thereby,
antibodies protect people from disease and infection.
Advised to avoid- fish/raw fish
