Answer:
<h2>measures the pressure of blood when the heart contracts and relaxes.. </h2>
<span>the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
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Answer:thats too hard sorry
Explanation:sorry but i get points so haha
To perform this test to check if gold is real, make a light, tiny scratch on the item using a small nail file. Choose a spot that is not noticeable if possible. Use a dropper to apply a small drop of nitric acid to the scratch. If there is no reaction, then the piece is probably made from real gold.
This might be a bad idea as a lot of animals live in wetlands
