Answer:
True
Explanation:
Because that's what the law of inertia does
Answer:
Factors determining the state of substances
* Inter molecular force : substances having strong intermolecular force will be solid and substance with weak inter molecular force will be gas.
* Nature of chemical bond:
Ionic compounds are generally solid in nature because of strong intermolecular force.
Polar covalent compounds may be solid or liquid
Non polar covalent compounds generally gas
* Electro negativity difference: greater the electronegativity difference, greater will be the intermolecular force.
Answer:
B, Check with others to make sure.
Explanation:
Answer: Stars die when their nuclear fuel runs out.
Explanation:
Only the coasting model makes the assumption that the universe's expansion pace never changes.
The current expansion of the cosmos is predicted by all four hypotheses.
Only the recollapsing model foresees the eventual contraction of the universe.
The average mass density of the cosmos is predicted to be exactly the critical density only under the critical model.
The cosmos is only predicted to be expanding more quickly than it did in the distant past by the accelerating model.
Cosmologists use observations of radiation released soon after the Big Bang to determine the expansion rate, often known as the Hubble constant.
Since the unexpected finding that the universe's expansion is speeding up in 1998, cosmologists have incorporated repulsive dark energy into their theory of cosmic development. The Hubble constant's inconsistent values might be resolved by early dark energy, an additional amount of dark energy present in the early cosmos. This early dark energy would have accelerated the universe's expansion by exerting external pressure.
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