What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

I purchased an awesome ice cream cone having 5 different flavour scoops.
Five flavours are pistachio, mint-chip, strawberry, marshmallow, and raspberry

I will give u some clues so that you can figure out the order of flavours from bottom to top.
1. The bottom flavour of the cone has 10 letters.
2. The marshmallow scoop is between the pistachio and the mint-chip scoop.
3. marshmallow is the raspberry scoop but below the mint-chip scoop.

So can you figure out the flavour of ice cream in order from bottom to top?

What is the next shape from answers A, B, C, and D figure?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What has many teeth, but cannot bite?

Count the number of lines in the image below ?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?