Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3
Yes. It is good for people of any age to get that much exercise in per day.
(I have a fidbit and I usually get in 2000-3000 steps a day.)
I believe it is all of the above. If you do a quick search for the definition of globalization in economics you'll see what I mean. More income means more spending. Climate change affects goods and food consumption.
1. Start up a bedtime routine every night at the same time so that your body and mind know when it is almost time to sleep.
2. Take natural supplements like melatonin to give your body the sleep vitamin
3. Make sure your room is completely dark or put on a sleep mask
4. Put warm socks on and warm up your hands
5. Get a cup of chamomile tea with honey
6. If fall else fails ask your doctor for sleep inducing medication.
I would say <span>purpose of article</span>