An example of checmial weathering is when exposed to air a rock containing iron turns red true or false

Stage in which a typical star has completely stopped fusion

What is the percent by mass of oxygen in fe2o3

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.