The smallest among these 4 groups is Order . Explanation: The arrangements for classification are Kingdom , Phylum , Class , Order , Family , Genus , Species .
Answer: mountain roads are winding and gently sloping in order to reduce the effect of steepness which causes more downward gravitational pull to the vehicle on it . A steeper sloped road would slow the car down to a greater extent that an gently sloping one.
Explanation:
Pretty sure the correct answer would be Choice A