Answer:
D. Increase in UV radiation
Explanation:
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Because of the surface tention.
Answer: strong electrolyte.
Justification:
1) Lithium chloride is an ionic compound, highly soluble in water.
2) This is the chemical equation:
LiCl(aq) → Li⁺ (aq) + Cl⁻ (aq)
3) Due to its ionic character and the small size of the ion Li⁺, LiCl dissociates almost completely, meaning the the solution is a strong electrolyte.
4) Electrolytes are solutions that carry electricity (the iones, charged species, are the carrierr of the electricity)
In order to calculate average speed we will calculate the total distance in meters traveled by cindy.
Distance = 2 Km
1 km = 1000m
So distance in meters = 2000 m
Then let us calculate the total time taken by cindy to cover these 2000 meters
Total time in minutes = 2 + 4 + 1 + 3 = 10 minute
Average speed = total distance / total time
Average speed = 2000 m / 10 minutes
average speed = 200 m / min