Answer:
C. A tightly sealed house with an unvented water heater.
Explanation:
True or false? The answer is true
Answer:
1. In addition to building bones and keeping them healthy, calcium enables our blood to clot, our muscles to contract, and our heart to beat.
2. Many foods are high in calcium, for example, yogurt, almonds, seeds, or beans/lentils.
3. About 99% of calcium is found in our bones and teeth.
4. Oranges are one of the best sources of calcium.
5. Yes, calcium helps you sleep because calcium helps the brain use the amino acid tryptophan to manufacture melatonin, which induces sleep.
Explanation:
The best plan would be to begin swimming three days a week 15 minutes, aiming to complete 10 laps.
For anyone starting a new exercise/activity it is important to get your body accustomed to the activity at a steady pace otherwise you will overwork your body and cause harm. Also because it is an activity that you are not confident in doing you need to practice and see if is in fact something you enjoy doing.
B. Asthma because It is fairly common for people to be born with asthma.
