Answer:
A viral infection is simply caused by a virus. Antibiotics are used to treat infections caused by bacteria. Hence, antibiotics are not capable of killing viruses. Viruses, on the other hand, are structured differently compared to bacteria and survive and replicate in different ways too. A virus is surrounded by a protective protein coat and not a cell wall that can essentially, be attacked by an antibiotic. Furthermore, in contrast to bacteria, viruses move into our body's cells, rather than attack them from the outside. As a result of all these differences, antibiotics may not be used to treat viral infections.
Explanation:
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Answer:
Older fossils are found in deeper layers of sedimentary rock.
Explanation:
The relationship between undisturbed sedimentary rock layers and fossils is that older fossils are found in deeper layers of sedimentary rocks.
This is one of the premise of the law of superposition and principle of fossil and fauna succession.
- An undisturbed sequence is one in which the sedimentary layers have been arranged sequentially.
- The oldest is at the bottom and the youngest on top.
- Also, fossils grade in this manner too.
- The oldest fossils will be in the oldest bed which is the deepest layer.
- The youngest bed will contain the youngest fossils in like manner too.
king governed each mesopotamian empire
Answer:
Active transport is the movement of molecules across the cell membrane by using cellular energy. Passive transport is the movement of molecules across the membrane without the use of active transport. No energy is required in this process.
Krill, snails and abalones are primary consumers