I believe it is b. you only want to change one thing at a time so you know which one thing caused the effect
Answer:
C. The child must have inherited sickle cell genes from both parents.
Explanation:
Because of the fact that sickle cell disease is recessive, the child would have to get the gene from both parents.
A the moon affects the gravity of the tides
Answer:
Neutralization.
Explanation:
"In chemistry, neutralization is a chemical reaction in which an acid and a base react quantitatively with each other."
Mass = number of moles x molar mass
carbon dioxide: CO2
mass = 0.25 x (12 + 16 + 16)
mass = 0.25 x 44
mass = 11g
