Artificial methods in common use include preventing the sperm from reaching the ovum (using condoms, diaphragms, etc), inhibiting ovulation (using oral contraceptive pills), preventing implantation (using intrauterine devices), killing the sperm (using spermicides)
Answer:
Here are some ways to help Marcen : ⬇
Tutor him, show him how to do basic stuff in all of his classes
Maybe help him understand the work he is assigned to do (relating to the tutor idea)
If Marcen needs help, ask him after school to help in his work to help him understand, but to not give him answers or he wont learn!
Or just give him an example in some assignments, like if it was a show your work problem, give him an example to follow.
Explanation:
Hopefully this helped you!
The answer should be B.
Hope it helped!
