I believe it’s the study of agriculture (c)
The seven major plates<span> are the African </span>plate<span>, Antarctic </span>plate<span>, Eurasian </span>plate<span>, Indo-Australian </span>plate<span>, North American </span>plate<span>, Pacific </span>plate<span>and South American </span><span>plate</span>
it's b. anaphase and spindle fibres pulls chromosomes towards the centrioles in this phase.
I think it's D) atmospheric carbon dioxide.
