The turning liquid core of our planet. It's composed mainly of magnetic material, and the sheer quantity of it gives us our protective field.
Answer: Abiotic
Explanation:
Density-independent factors are those components that impact the size or growth of population despite the density of population .Thus, they do not depend on density.Rate of density independent factors can be influenced by birth rate and death rate.Example:- weather.
Abiotic factors are the non-living elements present in this environment such as soil, weather,water etc.Therefore, density independent factors can be considered as abiotic as they effect population and living organism growth
Answer:
To be an Arab is not to come from a particular race or lineage. To be an Arab, like an American, is a cultural trait rather than racial. The Arab world includes Muslims, Christians, and Jews. Any person who adopts the Arabic language is typically called an Arab.
Explanation:
Answer:
Case-Control Study
Explanation:
A case–control study is a type of observational study in which two existing groups differing in outcome are identified and compared on the basis of some supposed causal attribute