Rosh Hashana

I have a Jewish doctor that I have been seeing for many years who has always provided me with excellent care. I was wondering if it would be appropriate to send my doctor a Rosh Hashanah greeting card. Please let me know.

Dear Rabbi, What is special about Rosh Hashanah that makes it so important and gives it the title of a High Holiday? Thank you

Dear Rabbi, Why do we blow Shofar on Rosh Hashanah? Thanks so much!

Tashlich My great aunt gave me a card with a version of the Tashlich prayer. This card must be over 50 years old. The prayer contains in Hebrew: (1) Micah Chap 7, verses 18-19 (2) The following words: וְכָל־חַטֹאת עַמְךָ בֵּית יִשְׂרָאֵל תַשְׁלִיךְ בִּמְקוֹם אַשֶׁר לֹא יִזָכְרוּ וְלֹא יִפָּקְדוּ וְלֹא יַעַלוּ עַל־לֵב לְעוֹלָם׃ (3) Micah Chap 7, verse 20 Where do the words in item 2 come from? I looked up Tashlich on several websites and prayer books and could not find these words. The prayer book for Rosh Hashanah contains additional verses that may be recited. However, the words in item 2 are not included. Thanks.

Please tell me how to blow the shofar on Rosh Hashana? Do you have a picture with the sound(s) to make?  

Dear Rabbi, why do we blow Shofar on Rosh Hashanah?

Dear Rabbi, why is there a widespread custom on Rosh Hashanah to eat sweet apples dipped in honey?