Explanation:
To round a number to the nearest tenth , look at the next place value to the right (the hundredths). If it's 4 or less, just remove all the digits to the right. If it's 5 or greater, add 1 to the digit in the tenths place, and then remove all the digits to the right.
Answer:
Option B.
Explanation:
Cystic fibrosis is caused by a defective gene which causes the lungs and the digestive system to become clogged with sticky mucus resulting the inflammation of the lungs thereby causing difficulty in breathing.
Answer:
c.
Explanation:
Kidneys regulate all fluids in the body. They can conserve fluid usage if dehdrated and can expel water if there is too much, by peeing.
Answer:
1.5mL
Explanation:
This is 10mg/2mL, which simplifies to 5mg/1mL. To get 7.5mg, you need 1.5mL (multiple numerator and denominator by 1.5).
It is called the nasopharynx.
