Turn the given fact into a question by a simple rearrangement of words. This typically involves replacing some part of the given fact with a WH word. For example, replacing the subject of the provided fact with the word "what" can form a valid question. Don't be creative! You just need to rearrange the words to turn the fact into a question - easy! Don't just randomly remove a word from the given fact to form a question. Remember that your question must evaluate scientific understanding. Pick a word or a phrase in the given fact to be the correct answer, then make the rest of the question. You can also form a question without any WH words. For example, "A radio converts electricity into?"

Fact: Organisms that live in marine biomes must be adapted to most of the water on the planet.
Organisms that live in marine biomes must be adapted to most of the what on the planet?

Fact: the mass of the sun causes its gravity on Earth.
What causes gravity on the Earth?

Fact: The texture of surfaces can cause the speed of an object to decrease.

What can cause the speed of an object to decrease?