This has only only three sig figs because it is 546.000 the zeros are just place holders so thus meaning they are not significant. It is just another way to write 546 because in that number there is also 3 sig figs. They are just trying to throw you off. Just watch out because if the example is 540 then it is just two significant digits, and it were to be 540. then it be three cause that "." makes the zero significant. <span />
2 CuO (s) + C (s) -> Cu (s) + CO2 (g) Im not sure if that's it but yeah
As distance increases gravitational force decreases
and as distance decreases gravitational force increases
Therefore, it is inversely proportion.
C. Its density is less than water
This is why. The denser the object is the farther it sinks. Since crystallized ice floats it is less dense than the surrounding liquid.
Answer:
The Earth:
- Is tilted 23 1/2° on its axis
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Rotates from west to east
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Bulges slightly at the equator
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Revolves around the sun once every 365 1/4 days
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Explanation:
The only option that is incorrect is the first one - The Earth has a circular orbit around the sun-. Although the Earth has an orbit around the sun, this one is not circular, it is elliptical, this is similar to an inclined oval, and the planet rotates in this orbit with an inclination on its axis of 23 1/2º.
As well as the shape of the orbit is not circular, the shape of the Earth is not equal in all its parts, it is wider in the equator in comparison with the North and South Poles.
It rotates from west to east in its axis, and it takes 365 1/4 days to complete a round in its orbital.
