Answer:
Test tube one is a compound because it is 2 elements combine..Test tube to is an element
Explanation:
Answer:
health issues and physical encounters
Hi , basically dominant alleles are always expressed in the organism , while recessive traits tend to be expressed only when the dominant allele is not present.
Answer:
P = 13.5 atm
Explanation:
Given that
No. of moles, n = 20 moles
Volume of nitrogen gas = 36.2 L
Temperature = 25°C = 298 K
We need to find the pressure of the gas. Using the ideal gas equation
PV = nRT
Where
R is gas constant, 
So,

so, the pressure of the gas is equal to 13.5 atm.
Answer:
I remember doing this in 7th,
1. D
2. B or D, more leaning on B though
3. A