Answer:
A hydrogen atom is made up of a nucleus with charge +1, and a single electron. Therefore, the only positively charged ion possible has charge +1.
Explanation:
Hope this helps
Answer:
the amount of calcium is variable.
Explanation:
osteoporosis is an illness that is caused by lack of calcium in a person's body.
Answer:
The seed which is buried deep in the soil won't germinate
because
- it won't get sufficient oxygen / air
- it won't get sufficient sunlight
- and etc...
Plants uses carbon dioxide during photosynthesis. Then plants use carbon to make carbohydrates and cellulose. Which animals then respire and release carbon dioxide into the atmosphere.
