Solar eclipse what happens when the moon is directly between the earth and moon
lunar eclipse what happens when the moon is directly behind earth
Archaea have more complex RNA polymerases than bacteria
Answer: 16.7%
Explanation: Children and adolescents (ages 6 to 17 years) engage in 60 minutes or more of moderate-to-vigorous physical activity daily as described by the CDC in The Physical Activity Guidelines for Americans (second edition).
However, elementary and high schools usually run from 8 a.m to 3 pm (or 3.30pm in some cases) daily. High school students take six one-hour classes or four 90-minute classes and an hour lunch break daily.
Thus, the CDC recommends 60minutes of physical activities daily, which account to 16.7% of the total class duration (6 hours) per day.
Answer:
Lemon juice and human blood are both acidic and, therefore, contain more H+ ions than OH- ions.
The answers are stress accumulations and reoccurrence! I hope this helped you and I hope you have a great day! :)