Which of these is an example of a chemical change? a.) dicing an onion b.) mixing a salad dressing c.) preparing a salad d.) digesting a salad

How far is the region from the equator or control climate

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

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?