Answer: You can tell when a chemical reaction is taking place because it is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change. All these things characterize what you look out for to find a chemical change.
Explanation:
Hot water, pan to hold water, stopwatch and thermometer are the pieces of equipment which would be useful for investigating the claim.
<h3>
What is Temperature?</h3>
This is the degree of hotness or coldness of a substance and it is measured with the use of the thermometer.
Since temperature is involved, the thermometer and heat source are important thereby making option D the most appropriate choice.
Read more about Thermometer here brainly.com/question/2339046
Carry blood away from the lungs - it's the only artery that brings blood into the heart instead of away.
Answer:
There is no any unbalanced equation
Answer:
true
Explanation:
you get a clean intestine and they get to feed on that. a dark note here is those same bacteria that digest your food, start to digest you when you die :)
