The northern sea route takes them thru artic waters and the water often freezes creating damage and delays
C average speed is used, which is total distance divided by total time.
Explanation:
From the analogy presented, we know that because the speed at which an object travels varies over time, the average speed is used.
The average speed is is the total distance traveled divided by the total time taken.
The average speed appropriately reflects changes in rate of speed with time.
It accounts for moments where a car slows and speeds up.
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Explanation:
waterfalls are temporary features of rivers because stream erosion is greatest at waterfalls and rapids. The water that falls at the base of the waterfall erodes rock there, leaving the rock at the tops of the waterfalls to overhang. Overall, undermining causes waterfalls to recede farther upstream.
Answer:
1.B 2.A,C,D
Explanation:
A mineral is a naturally occurring, inorganic compound with a unique chemical structure and physical properties. A rock is a solid, stony mass composed of a combination of minerals or other organic compounds. For example, quartz and feldspars are minerals, but when formed together, they make a rock, granite.
Water Erosion
Wind Erosion
Glacier Erosion
Sea Erosion
Soil Erosion