What impediments do you think a rover might face, whether physical or technological, while exploring and collecting samples on Mars?

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.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

If a grape were placed in a hypertonic solution what would happen and why?