Answer: I believe it’s .25 m/s
Explanation: the speed is measured distance/ time. Which is .5 meters/ 2 seconds =0.25
Elements are arranged from left to right and top to bottom in order of increasing atomic number.:)
No se porque?
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Answer:
B. They each contain the same amount of matter.
Explanation:
Scientifically, mass is the amount of matter in an object.
A. Whether an object is big or small does not mean that it will be a certain mass. If you have two objects that are the same size, the denser object will have more mass, and the less dense object will have less mass.
C. The amount of space an object takes up is called the volume.
D. Different combinations and amounts of elements can give you the same mass. Rocks, books and cans of soda are made of different things.
