In which trimester does the following occur?

the embryo is attached to the placenta by the umbilical cord, and the placenta makes contact with the uterus.

a. 1st trimester
b. 2nd trimester
c. 3rd trimester

i feel like it would be c but not sure

Which can be an effective way to reduce stress? getting in the habit of doing things perfectly the first time engaging in a fun physical activity on a regular basis taking an antacid for a stress-based stomachache studying extra hard the night before a test

Why do farmer's kill animals in a mean way, don't farmer's have feeling's?

Which of the following affected by the nerve damage?