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Biology Middle School

In which situation is a chemical reaction occurring? A. ice melts B. a

In which situation is a chemical reaction occurring? A. ice melts B. a nail rusts C. a glass breaks

2 months ago

Solution 1

Guest

Guest #10574

2 months ago

Nail rusts i think because a chemical is making the nail rusted

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When a person breathes the oxygen enters the bronchioles in the lungs. From there, the oxygen enters the alveloi. The gas exchange occurs in the capillaries surrounding the alveloi. The oxygen enters the blood in these capillaries. These capillaries then join together to form arteries, which transport the oxygen. The pulmonary veins then transport this oxygen rich blood to the heart. The left atrium pumps this blood to the left ventricle, from where it enters the aorta, which transfers the blood to the kidneys through a network of blood vessels.

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The structure of an atom is best described as: 1. neutrons in orbit about a nucleus of protons bound to electrons. 2. electrons and neutrons in orbit about a nucleus of protons 3. protons and neutrons in orbit about a nucleus of electrons . 4. electrons in orbit about a nucleus of protons and neutrons

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Answer: Option (4) is the correct answer.

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Which process is the total of all the chemical reactions in an organism

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brainly.com/question/19664757

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