Answer:
Internal can be you don't want bad things happening to your body, you don't want drugs affecting your health,etc.External could be you don't want it to affect your family or people around you.For example, like a cigarette if you are smoking in public you can be affecting others passing by or hanging out with you(external)but if it's just you by yourself smoking it is damaging your lungs(internal)
Answer:
In its modern form, the metric system is called the _____ system, which is an abbreviation for the "International System of Units." The official measuring system in the United States is the metric system.
Watch with a timer would be the most useful for monitoring your heart rate
Answer:
pregnancy, STIs (such as herpes , chlamydia, genital warts), HIV
Answer:
Sending mean texts or DMs to someone.
Pranking someone's phone.
Hacking into someone's gaming or social networking profile.
Being rude or mean to someone in an online game.
Spreading secrets or rumours about people online.
Pretending to be someone else to spread hurtful messages online.
Explanation:
Hope this helps :)
