What brings you down but never up?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

What does the below rebus riddle means?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

What has 13 hearts but no other organs?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

How do you go from 98 to 720 using just one letter?