<span>Thick, yellowish-green mucus coming from the nose is NOT one of the five signs that you need to seek professional help to treat your communicable disease.</span>
3.8 billion – 2.5 billion years ago
The Archean is the name of the age which started with the shaping Earth. This time of Earth's history endured quite a while, over 2.5 billion years. When the archean age ended the earth was just coming alive.
Answer:
B and D
Explanation:
Since it says all carbon atoms have six electrons, we know that they only have six protons too. The carbon 13 and 14 means they have extra neutrons that increases their atomic mass.
Answer:
They both use DNA as their genetic material.
Explanation:
Bacteria are simple prokaryotic organisms which lack membrane bound organelles. On the other hand, birds like higher organisms are eukarotyotic organisms with proper membrane bound organelles. Other than this that both bacteria and birds are living organisms, one way in which bacteria and birds are similar is that they both have DNA as genetic material which they pass to their offspring. Although in the case of bacteria there is no variation is offspring however in case of birds there can be because genetic shuffling takes place and offspring is not an exact replica of parents while in case of bacteria they are.
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Answer:
Diaphragm is the large band of muscle that controls the size of the chest cavity. Lungs are the two large lightweight organs of the body.Explanation:
