Which practice poses the greatest safety concern? talking to others in the lab
accumulating clutter on the lab bench
performing an experiment when sitting down
reading the temperature of a water bath

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

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

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons