Rewilding is the process of introducing genes of ancient plants into modern species.
Explanation;
-Rewilding is a progressive approach to conservation. It involves allowing the nature to take care of itself, enabling natural processes to shape land and sea, repair damaged ecosystems and restore degraded landscapes.
Through rewilding, wildlife's natural rhythms create wilder, more biodiverse habitats.
Gravity is when you drop something, but in this case you aren’t dropping the ball. It definitely isn’t chemistry because you aren’t changing molecules or anything so that only leaves A which is the most reasonable answer anyways.