Answer:
front
Explanation:
Fronts represent fairly abrupt transitions between two large air masses.
Answer:
a. H + d. Na
Explanation:
This is Mixture of H and Na. Because of H and in the emission and Absorption spectrum of H Total 5 lines [Red, Green, Blue and Purple (2)) are present and in the spectrum of Na Two yellow lines are present. In the mixture all this lines are are also 5 + Present. Total lines are 5+2= 7 (H+ Na)
Therefore, the answer is a. H + d. Na
A nonmetal and a nonmetal will make molecular compounds like H2O and CO2
Color change, formation of a precipitation, formation of a gas, odor change, temperature change
