social media and the meaning of friendship

scientific

research, academic, scholarly

maintain

keep, sustain, uphold

relationships

connections, bonds, associations

explosion

surge, rapid increase, boom

expand

broaden, enlarge, grow

geographical

relating to the place in an area, country, etc where something or someone is

background

your family and your experience of education, living conditions, money, etc

remain something for life

keep forever, last.

difficult

challenging, hard, tough

security

safety, protection, assurance

convenience

ease, comfort, suitability

similar

alike, comparable, akin

definitely

certainly, surely, undoubtedly

matter

important, note, affair

mental health

a person’s psychological and emotional health

generally

usually, typically, commonly

physical

related to someone’s body

state

condition, status, situation