Q.tomato plants
I would like to know what causes tomato plants to drop their blossoms and what can I do to help prevent that from happening. Anybody who answers this question for me, I would be very thankful.

Certified GKH Gardening Expert
This is normally associated with one of two things: lack of water or poor pollination.
These articles will help you:
https://www.gardeningknowhow.com/edible/vegetables/tomato/watering-tomato-plants.htm
https://www.gardeningknowhow.com/garden-how-to/beneficial/insect-pollination-process.htm
https://www.gardeningknowhow.com/garden-how-to/beneficial/creating-a-pollinator-garden.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/pollinate-tomatoes.htm