How can we gather more evidence about whether lava or water formed the channel on Mars? One challenge in studying the channel on Mars is that Mars is too far away for scientists to directly observe what happens there. Based on what you learned about Gerya in the article you read today, how can scientists study Mars if they can’t directly observe what is happening there?

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.