Avery useful group of broad-spectrum drugs, whose popularity has more recently declined because of numerous potential side effects, including keratoconjunctivitis sicca, polyarthritis (especially in doberman pinschers), hematuria, photosensitivity, and hypothyroidism, is the
a. sulfonamidesb. macrolidesc. tetracyclinesd. fluoroquinolones

a. Sulfonamides.

Explanation:

Sulfonamides drugs are used to treat infections preventing the growth of bacterias, it is an antibiotic. It was discovered in the '30s but due to its potential side effects, the use of them has decreased. Some of the side effects apart from the ones mentioned in the question are dizziness, diarrhea, skin rash, tiredness, and nausea.

for me i have felt invisible when i was clearly struggling,or,i made a great achievement ,and,nobody took to notice me either because they just didn't see it,or,people just turned their back on me.i can see a person being invisible by choice,or,without choice like i did.the people who are invisible by choice don't try to talk to people,don't try to make friends,and,keep to themselves.i haven't been one of those people so i couldn't give you a reason.

hope this and can i get bainliest my dude : d

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.