Why is conjugation in Paramecium considered to be sexual process?

Answer 1

because it is exchanging genetic material with another paramecium and thereby causing genetic variation

as opposed to cell splitting (mitosis) as a form of reproduction which is asexual and produces two organisms with identical genetic makeup

Answer 2

When someone feels sexually threatened by another person. If someone is unwillingly touched or spoken to in a sexual content. Words like Babe, sexy, or sweet thing may be offensive and could be called sexual harrassment. Physically brushing up on someone, touching someone without that person feeling comfortable or welcoming this approach, could be sexual harrassment.