Answer:
The correct answer is density. See the explanation below, please.
Explanation:
Roland measured density, which is a property that relates mass to volume, having units for example: grams / cm3
The biting and sucking of the baby when eating.
Answer:
447,25k
Explanation:
According to the ideal gas law

Where:
P: is the pressure of the gas in atmospheres.
V: is the volume of the gas in liters.
n: number of moles of the gas
R: ideal gas constant
T: absolute temperature of the gas in kelvin
now using:

Neutralization reaction means the reactants must be one acid and one alkali, and the product will be H2O and metal salt.
The only one satisfying this will be B
They are gases at room temperature
Hope this helps:)