more than eight years ago, mike attempted to smuggle fifty pounds of drugs across the united states border.

How would the previous sentence be correctly capitalized?
Answer: More than eight years ago, Mike attempted to smuggle fifty pounds of drugs across the United States border.
but frank wenzel chose to help the little ball of down despite all his experience told him that he would not succeed.

How would the previous sentence be correctly capitalized?
Answer: But Frank Wenzel chose to help the little ball of down despite all his experience told him that he would not succeed.
on friday it will be cloudless all day. during the night variable cloudy, but mostly dry weather will prevail.

How would the previous sentence be correctly capitalized?
Answer: On Friday it will be cloudless all day. During the night variable cloudy, but mostly dry weather will prevail.
on the basis of the present results, the leaching can be calculated for other pipe dimensions and retention times.

How would the previous sentence be correctly capitalized?
Answer: On the basis of the present results, the leaching can be calculated for other pipe dimensions and retention times.