Answer: For #1 scientists look for physical characteristics that are like Earth its self. These characteristics include water, rocks and other complex chemistry that can support life.
Explanation:
The explanation of how the natural world works based on experimentation is ;A theory ( D )
A theory is proportionally related to an experiment because a theory is an informed /phenomenon based on facts approved or disproved by an experiment.
Therefore an explanation of how the natural world works should be factual based on experimentation. and not an opinion, while a law in science is developed based on ideal conditions and not natural world conditions.
Hence we can conclude that The explanation of how the natural world works based on experimentation is A theory.
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No, it only does when entering an atmosphere
Similarities:
-- All three classes have a fulcrum (pivot).
-- All three classes have a point where the effort force is applied.
-- All three classes have a point where the load or resistance force is applied.
-- If you can find a place to stand and a lever that's long enough,
then you can move the Earth with a 1st or 2nd Class lever.
Differences:
-- The mechanical advantage of a 1st Class lever
can be greater than 1, equal to 1, or less than 1.
-- The mechanical advantage of a 2nd Class lever is always more than 1 .
-- The mechanical advantage of a 3rd Class lever is always less than 1 .
Answer:
the correct answer is A
Explanation:
In a series circuit the current flows through the circuit and when it is opened at some point the current stops throughout the circuit.
In a parallel circuit, the current flows through the different branches of the circuit and when the current in one branch is interrupted, it continues to flow through the others.
In this exercises they indicate that the bedroom lights are turned off (the circuit was opened), but the kitchen lights are still on, therefore it is a parallel circuit with at least two branches, the current that circulates through each one depends on the existence on each branch.
Therefore the correct answer is A
