85% of adults are grandparents by age 65. This estimation has been made in the U.S. from the surveying of the elderly. So, the correct choice is the third option: 85.
Let me know if you need further info. :)
- Dotz
Answer:
I feel it's to easily differentiate the positive from the negative...... like in gram staining of bacteria, the colour tell us which bacteria is gram positive or gram negative...... I just feel that this is science and it is advisable to know what the opposite result of an experiment should look like.
The sodium and potassium ions are transported using a sodium potassium pump the process of moving sodium and potassium ions across the cell membrane.
<span><em>They tell us how life evolved and adapted to different environments and global changes throughout the Earth's development</em>
<em> Hope this helps:)</em>
</span>
Zit sure has to be B. Pollution