The answer is <span> b) chromosomes replicate
DNA replication occurs before mitosis. So, duplicated chromosomes are already present in mitosis. They are connected by centromeres. During different phases of mitosis, spindles are formed and pull chromosomes toward the opposite poles of the cell so centromeres must split.</span>
C.
explanation- in the case of pure water there are always going to be the same number of hydrogen ions and hydroxide ions present.
Answer:
B- finding new sources of freshwater
Explanation:
To solve the world water crisis we need to conserve water. Finding new sources of water increases the rate of drought, famine and water scarcity in zones. It can also act as a factor of desertification. We need to reduce, reuse and recycle when trying to conserve a resource.
Explanation:
Genetic influences on behaviour are pervasive
It is clear from multiple lines of evidence that all researched behavioural traits and disorders are influenced by genes; that is, they are heritable.
NATURE VS NURTURE
Nature is your genes. The physical and personality traits determined by your genes stay the same irrespective of where you were born and raised.
Nurture refers to your childhood, or how you were brought up.
Answer:
Your answer should be C I believe