respitory systym and circulatory system because you need your lungs to breathe and the blood and heart to pump the oxygen into the blood. :))
My science teacher told me a couple of days ago that is true
True
All somatic cells have same genes but the genes whose product is not needed are turned off. Some genes are expressed constitutively and some genes are turned off and on depending upon the requirement of proteins.
Answer:
Your answer is A) precipitation.
The density uses this equation :
D = m ÷ v
D (Density)
M (Mass)
V (Volume)
⓵
Replace your numbers in the equation :
D = m ÷ v
D = 146 ÷ 32
D = 4,5625
D ⋍ 4,56
