what does the below math rebus puzzle mean?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Replace the question mark with the correct number below.

Why is Saturday stronger than Monday?

Readers with the highest levels of visual skills can find three differences between the pictures of a cow on the farm in 14 seconds. Can you? Test your visual skills now!

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

I don't get anymore wetter, no matter how much rain falls on me.