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Indiana is home to fossilized crinoids. These small, sea-dwelling invertebrates are vaguely reminiscent of starfish, and some species of crinoid are still present on Earth today, but these animals were especially common in the world's oceans about

What would be a controlled observation in an experiment

Mr. Llama walked from his house to the stop sign down the street. He walked two miles to the stop sign and then returned back to his house. What is the distance that he walked? Question 2 options: A. 3 feet B. 2 miles C. 4miles D.

An igneous rock has large red, black, and green crystals. How else can this rock be accurately described? Fine texture cooled quickly intrusive origin created by lava

which will have the greatest amplitude and pitch when shaken, a jar half fill with water and 2 marble or a jar with no water and 2 marbles.

Which physical quantities has the unit kg·m·s-1?

Can an object travel at the speed of light? Why or why not?

Determine the amount of potential energy of a 5 Newton's book that is moved to three different shelves on a bookcase. The height of the shelves is 1.0 meter, 1.5 meter, and 2.0 meter

Which atom is involved in giving your heart energy to beat? carbon gold oxygen iron

Which of the following is the most accurate statement concerning the properties of matter? a. they can be written as symbols b. they can be observed and measured c. they cannot be tested or verified d. they change with the amount of matter present