Bromthymol blue is a chemical that changes color to indicate the presence of oxygen or carbon iv oxide in a water sample. If oxygen is present it changes color from green to blue and if carbon iv oxide is present it changes from green to yellow. Therefore in this case where the BTB was green, it means there was no oxygen or carbon iv oxide in the beaker.
Answer:
A when two tectonic plates slide past each other.
Explanation: this answer is the most accurate because when two plates slide past each other they make a fault in the earth which creates an earthquake.
Dogs have different features to us because they have adapted and evolved to have the features they have. For example, when a puppy is developing, cells receive signals to move to one end of the puppy and develop the tail. Neutrophils are the most common white blood cell in dogs. Which compare to us we have red blood and white blood cells they are different cells in human body. Dogs chose us Unlike cats, horses, or other domestic animals, they became a part of our lives by their own volition. ... Dogs, like man, are predators that live in groups and hunt by daylight. Their skills in running down prey far exceed our own. And this is the reason why dogs cells are structured differently then humans or any other animal.
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A because the nervous system gives you sign and how you should be felling so it makes y perspire after you felt as if u were in danger
They can help transmit it, yes