Which is an example of poor safety practices when working outdoors

Which term refers to a property that depends only on the amount of a substance? ©@

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process