Answer:
space between gas molecules
Explanation:
as the altitude increases the air density decrease because of weaker gravity and these led to more distant of air molecule and the space between gas is increased
The science that describes populations is called Demography.
Demography is the study of human population dynamics. It entails the study of the size and density, distribution, and vital statistics such as births, marriages, deaths, aging, migration among other factors that affect a population. In other term is the Quantitive and qualitative aspects of human population.
True.
Whenever one organism gets infected, it spreads to its surroundings and so forth. This causes an epidemic.
Al3+ represents aluminium ions
I don't have the article to go on so don't hold me to this. But if this is a typical school question the answer would be
She was active on many social media sites.