• Wear safety goggles
• Hold the test tube at an angle. Point the test tube away from yourself and all other people. Heat the test tube over the bunsen burner gently from the top of the substance being heated, and always.
hope this helps x
Answer:
decreases
Explanation:
when the acidity in a solution increases the ph will decrease. when the acidity in a solution decreases the ph increases
It can date back as far as the dinosaur age...
Answer: studies indicate that humans living in warm, tropical environments (from a variety of populations) tend to have noses that are wider at the base because inhaling warm, moist air does not require adaptations.
Explanation:
