Answer: C. Shadow length decreased from sunrise to noon.
Explanation: Think about how the sun is positioned in the sky. If it was noon, the sun is above the stick which means little to no shadow at all. If the sun was rising, its hitting one side of the stick, making the shadow longer.
Answer:
Rubella
Explanation:
Rubella is a viral disease caused by the infection of Rubella virus. Some signs and symptoms of this disease are as follows -
- A rash which begins on face and later spreads all over the body
- Low fever
- Swollen glands
- Aching joints
- Joint pain
As in the question, the doctor found rash on the body of patient, it was diagonised as Rubella, so the doctor was worried because it can affect the development of her child.
Yes, they do since the images show how weak the winds are.
Answer:
The phosphorus in all biological tissues can be traced back to phosphorus weathered from rock.
Buffer is an aqueous solution that resists changes in pH when acids or
bases are added to it. A buffer solution is typically composed of a weak
acid and its conjugate base. There are three major buffer systems that
are responsible for regulating blood pH: the bicarbonate buffer system,
the phosphate buffer system, and the plasma protein buffer system. Of
the three buffer systems, the bicarbonate buffer system is arguably the
most important as it is the only one that is coupled to the respiratory
system
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