10-2/4-6 = 8/-2 = -4 is the slope
A lunar eclipse happens when Earth is between the Sun and the Moon, which is a true statement about them.
When there is a lunar eclipse, the moon moves into a position where it will be in the Earth's shadow and will not be visible. This means that because the Earth sits between the sun and the moon, a shadow forms, and when the moon moves behind the Earth, the Earth prevents the moon from receiving light from the sun. If the eclipse is a total lunar eclipse, the Moon will spend roughly two hours traveling through the umbra (region of total shadow) cast by Earth. When the Moon merely passes through a portion of Earth's umbra or penumbra, a partial eclipse of the Moon occurs.
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The correct answer is D. Have other scientists repeat the procedure and obtain the same results.
Explanation:
One of the most accurate ways to validate the results of an experiment is to allow peers (other scientists) to review the experiment and repeat it, which is known as replication. This process is required to make sure the results are accurate because if the experiment is repeated by a different scientist and the results are different this shows the data is not consistent and therefore the results are invalid. Moreover, inconsistency or lack of replication can occur due to incorrect processes or bias by the scientist.
According to this, the next step in this situation is to "have other scientists repeat the procedure and obtain the same results".On the other hand, repeating the experiment but changing one of the variables or the procedures is not a correct step because this will change the essence of the experiment and lead to different results.
Answer: A. Essential (flexible) expense.
Explanation:
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