Answer:
C) Stratified sampling
Explanation:
Stratified sampling: This is one of the probability sampling technique in which the researcher tends to divides a particular population that is taken for the researcher purpose into various groups or strata, and after dividing the population, the researcher randomly finally selects the participants from those groups or strata and being analyzed later on. Further, the group is taken for study is through the random sampling technique.
Advantage:
1. It provides great precision.
2. The study group is small, hence cost-effective.
Answer: DNA is shaped into a chromosome in order to fit inside a cell nucleus
Explanation:
To fit our genomes into a tiny cell, the DNA of each chromosome is coiled, compacted, and coiled up some more.
(pls mark me brainliest)
<span>Feudalism (a system which is created for the
protection of those who are loyal) and the manor system (a system in which
there is a set of rights between a lord and his serfs, lord provided his serfs
with farmland an protection and in return serfs farmed the lord’s farmland) help
Europeans survive Viking raids because they were scared of African Americans.</span>
