Why might a trait that is an advantage today become a disadvantage in the future

Advancement in technology. For example, body odor on humans was considered attractive thousands of years ago. Now it's just considered a hassle and we try our best to get rid of the smell.

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme