1/5 + 1/4 =1/x
4x + 5x = 20
9x = 20
x = 2.22 hours Answer
Answer:
What type of reaction is shown below? Check all that apply.
Ca + 2H2O → Ca(OH)2 + H2
synthesis
decomposition
combustion
single replacement
double replacement
Explanation:
C. till .....................................................................
Answer:
True
Explanation:
Atmospheric pressure reduces the amount of oxygen in the air, therefore leading to Hypoxia. Higher altitues contribute.
