What process would be necessary for the movement of calcium ions from areas with low concentrations to areas with high concentrations

When water freezes, it . contracts expands

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.

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas