They need to be carefully managed because if we run out of the non renewable resources then we will have to change how we live and we also need to manage the renewable resources because if we do not then the Earth will be filled with pollution.
The correct answer is D. by perspiration.
Explanation:
A normal blood pressure level is less than 120/80 mmHg. No matter your age, you can take steps each day to keep your blood pressure in a healthy range.