I think it is either A or B but I am not sure. I know a catalyst increases the rate of a chemical reaction but I don't think it is B because I dont believe that an enzyme is shaped to interact with certain molecules. I would go with A or C. The choice is yours.
In the 1990s, an influx of new dinosaur fossils from China revealed a feathery surprise. Though many of these fossils lacked wings, they had a panoply of plumage, from fuzzy bristles to fully articulated quills. The discovery of these new intermediary species, which filled in the spotty fossil record, triggered a change in how paleontologists conceived of the dinosaur-to-bird transition. Feathers, once thought unique to birds, must have evolved in dinosaurs long before birds developed.
As dinosaurs morphed into birds, they shrank dramatically and adopted a more babylike skull shape.
<span>It seems Will is engaging in active euthanasia and the others are engaging in passive euthanasia. That's because the others are either withholding or removing something, but Will is actively doing something, that is, injecting a lethal dose of drugs.</span>
It's a live thing you can do with your hand and a phone
