Which of the following statements is true for a scientific theory? It is a tentative explanation.
It is tested by multiple scientists.
It is based on only one experiment.
It is investigated over a short period.

It is a tentative explanation.

Explanation:

The reason why scientific theory is alleged to be tentative statement is that the outcome of the experiment can ensure your initial prediction or refute it.

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It is tested by multiple scientist

Explanation:

just took the test, B is correct

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.