What does it all mean? Why did Mendeleev classify elements? How do the groups demonstrate patterns in the Periodic Table? Write your thoughts here. Do not post any links or your comment will get deleted.
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What are the phases shown in a and d called?

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy