MDMA is what came before ecstasy and had an amazing ability to boost productivity and help people work through difficult and deep emotional wounds that were too difficult to talk about when sober. therapists would give small amounts of MDMA to patients to help talking about trauma.
If you want a medical drug then colistin is a third wave antibiotic that kills off bacteria that would be far too strong to be killed with 1st or 2nd wave antis. colistin helps save peoples lives.
I believe the answer is a) the scientific method involves developing and testing questions
Peregrine falcons have a wide diet, including many types of smaller birds. These birds eat bugs like grasshoppers. So, if the grasshopper population decreases, then the birds who are a food source to peregrine falcons will also have a lower population. This means that there is a lesser amount of food for the peregrine falcons to eat, so their population will decrease as well.
Good luck with your problems!
I think it is A but not 100% sure. Think of an enzyme like a key unlock the lock is the protein. And to activate getting inside your car or house you have to fit the key into the lock.