<span>D) tightly packed electrons</span>
The answer would be: <span>Make sure the landing page is closely related to the ad
</span>
To have high conversion rate, the landing page should give an accurate advertising that closely related to it. Increasing the budget will increase the conversion number, but not the rate. Increasing the CPC bid or broaden the list of keyword won't increase the conversion rate either.
It is true, it does release hydrogen ions in a water base.
Have a lot of mitochondria so that more respiration providing muscles with more energy for muscle contraction
Hope it’s useful