The theory, methods, and practice of testing a hypothesis by comparing it with the null hypothesis. The null hypothesis is only rejected if its probability falls below a predetermined significance level, in which case the hypothesis being tested is said to have that level of significance.
The heart functions as a <span>muscle that helps to pump oxygen around the body.
Hope this helps. (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧ </span>
A. Posting an intentionally hurtful or mean comment on someone's social media and being blocked from that account.
B. Posting photos or videos of yourself doing illegal activities (drinking while underage, doing drugs, etc.). Companies and colleges look at your social media to see what you are really like, which could lead to not being accepted into a college or being kicked out of a sports team.
Sustain a regular routine of exercise for 30-60 minutes with minimal fatigue
