During the first trimester of gestation, the embryo is attached to the placenta by the umbilical cord, and the placenta makes contact with the uterus. true false

This question is true

Explanation:

Everything shown happens during the first trimester, and not the second or third, which is why this is true.

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

the answer is anaerobic activities