Answer:
By contracting, muscles pull on bones and allow the body to move. ... For example, the biceps and triceps muscles work together to allow you to bend and straighten your elbow. When you want to bend your elbow, your biceps muscle contracts (Figure below), and, at the same time, the triceps muscle relaxes.
Explanation:
Answer:
The mass in grams of one mole of a substance.
Answer:
6amu
Explanation:
mass=proton+neutron
mass of cl2=2(16+16)=64amu
Answer:
Ther answerr is A only solid A.
Explanation:
The density of water is 1 g/cm3 so anything above that will sink, but as you can see solid A dosnt ev en reach one./ so It will float on water. the other two are over 1 g/cm3.
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Bubbles and fizz are an example of a chemical reaction.