Answer:
Cystic fibrosis (CF) is a genetic disease that causes thick, sticky mucus to build up in organs, including the lungs and the pancreas. In a healthy person, mucus that lines organs and body cavities, such as the lungs and the nose, is slippery and watery. In people with CF, thick mucus clogs causes symptoms in the lungs and pancreas.
Explanation:
The causes of CF
Who is affected
Symptoms and treatments
How CF is diagnosed in children and adults
Tips on living with CF
According the VSEPR theory the molecular geometry for CH3+ is triagonal planar
D. A set of steps that help scientists gather knowledge
Answer:
penicillin could protect mice against infection from deadly Streptococci.
Explanation:
Help????? You need to write as if you are Dmitri Mendeleev and you have just made your proposed version of the periodic table. You need to write to the Royal Society of Chemistry in London explaining:
• Who you are
• What your periodic table is like, the groups, elements and features
• Why you think your periodic table is correct
• How you have built on the work of others or why you think their work is not
correct
