Answer:
Census
Explanation:
A census is the process of data collection and is the systematic acquisition of data about the given population.
Social, cultural and economic factors influence fertility, mortality and migration rates. Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. Age and sex are main demographic factors that affect the migration.
The abiotic parts of an ecosystem are water, soil, air and dead organic matter. The correct options among all the options that are given in the question are the second, fourth, sixth and seventh options. They are basically non-living things that are present in the ecosystem. I hope it helps you.
Limestone. Basalt and granite are igneous rocks which means they're formed through lava but limestone is sedimentary so forms as layers <span>of shell etc are </span>deposited, meaning it's most likely to find fossils in it.
