Answer:
a). Single replacement.
Explanation:
Because one element replaces another element in a compound
Water filters and internet to get more knowledge
It Increases. I just took a quiz with the same question.
<span>We put a motion detector at </span>one end of the track<span> and put a cart on the track. ... Next, we put a motorized fan on the cart and let it push the cart down the track. ... This is what I would expect based on the velocity graph, since </span>acceleration<span> equals the slope of the velocity graph, which remains</span>constant<span> in time.</span>
