C) we can see Sirius as it looked 8.8 light years ago.
Answer:
C is the correct answer.
Explanation:
Agar provides a solid growth surface for the bacteria, upon which bacteria reproduce until the distinctive lumps of cells.
<span>D. 0.000391 is your answer because the decimal place moves 4 places to the left</span>
The replacement of hydrogen from water by sodium is an example of a single-displacement reaction.
A single-displacement reaction is a reaction in which an element in a compound is replaced by a different element. In this case, hydrogen is replaced by sodium.