but when i feel a longing to go home to greenland grow, when i start to forget my roots, then i know, that it is time to go home for a while, marie says.

How would the previous sentence be correctly capitalized?
Answer: But when I feel a longing to go home to Greenland grow, when I start to forget my roots, then I know, that it is time to go home for a while, Marie says.
reduced nitrogen leaching from farms from both liquid manure and fertiliser!

How would the previous sentence be correctly capitalized?
Answer: Reduced nitrogen leaching from farms from both liquid manure and fertiliser!
morning temperatures will be around 10 c. during the day they will reach a maximum of 15 c. low temperatures at night will be around 8c. southwesterly winds are weak.

How would the previous sentence be correctly capitalized?
Answer: Morning temperatures will be around 10 C. During the day they will reach a maximum of 15 C. Low temperatures at night will be around 8C. Southwesterly winds are weak.
if leukoplakia is caused by smoking, you will be asked to reduce or quit smoking or using other tobacco products.

How would the previous sentence be correctly capitalized?
Answer: If leukoplakia is caused by smoking, you will be asked to reduce or quit smoking or using other tobacco products.