Answer:
D. a potential hazard
Explanation:
Abrupt changes in road surface or the shape of the road may indicate a potential hazard.
When drilling, students in a study session use flashcards to quiz one another. thus, Option B is the correct statement.
<h3>
What do you mean by drill and practice?</h3>
The term drill and practice can be described as a way of practice characterized by systematic repetition of concepts, examples, and exercise problems.
Drill and exercise is a disciplined and repetitious exercise, used as an average of coaching and perfecting an ability or procedure.
Thus, When drilling, students in a study session use flashcards to quiz one another. Option B is the correct statement.
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Enge extrapolated this analysis across the 2.2 billion<span> users on Google and concluded that while the “active profiles” on Google+ amount to </span>111 million<span> users, only 6.7 million users have 50 or more posts ever, and only 3.5 million have 50 or more posts in the last 30 days</span>
Opacity is the extent to which something blocks light. You can change the opacity of layers, filters, and effects so that more (or less) of the underlying image shows through.