What are the characteristics of high energy waves?

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Type the correct answer in the box. use numerals instead of words. fiona has a lovely flower bed in her yard. she wants to add a fence along one side of the flower bed. the fence material is sold in meters. fiona knows that her flower bed is 200 centimeters in length. how much fencing material does fiona need in meters? fiona needs meters of fencing material for her flower bed.

Ascientific idea becomes valid when it is what?