Work under a fume hood is the safety precaution is necessary when using volatile solvents.
<h3>What is the benefit of fume hood?</h3>
A fume hood is very important in order to remove toxic or hazardous materials from a work area. Due to this device, the personnel in that area are protected.
So we can conclude that work under a fume hood is the safety precaution is necessary when using volatile solvents.
Learn more about solvent here: brainly.com/question/25326161
Answer:
Over a vast amount of time, millions of years, the earth gradually cooled. When the temperature dropped enough, water vapor condensed and went from a gas to liquid form. This created clouds. From these clouds, the oceans formed and the oceans absorbed a lot of the carbon dioxide in the atmosphere.
Explanation:
Answer:
Explanation:Toxic materials e.g synthetics
They become even more toxic as they are converted to more toxic products by reaction with other substances or by metabolism of microorganism
Answer:
B.) Quick drop in dissolved oxygen
Explanation:
High level of total suspended solids will increase water temperatures and decrease dissolved oxygen levels. This occurs because the pollutants absorb more heat from solar radiation than water molecules.
Answer:
Chick with in the egg depend for all its energy and food requirement on the egg yolk , therefore egg yolk is rich in fat, protein, and cholesterol.
Explanation:
Before the egg breaks and the chick comes out, few days nourishment for chicks is required. Hence, the egg yolk needs to be nutritious as new developing chick (with in the egg) rely for essential nutrients (required for growth) on the egg yolk. Chick require energy from yolk, hence it is rich in fat (energy). It also needs to grow and develop, therefore egg yolk has lot of protein (building blocks). Lipid and cell with in the yolk help in formation of cell and strengthening of bones and feathers
