Which event would most likely cause a competition for water? a. male deer hunt for their food b. a valley is stricken with drought c. prairie dogs search for shelter d. a rainforest is exposed to sunlight

The correct answer is option B, A valley is stricken with drought

Explanation:

All living species (plants, animals and microorganism) living in a valley are dependent on the resources of ecosystem to which they belong. Scarcity of any resource leads to increase in competition for that resource. Since during drought condition , availability of water becomes minimal and thus there  would be competition for water among species living in the valley.

Of the three temperatures listed, the highest temperature should be 100°C. To validate this, we can convert the values in terms of Celsius. 

100 °F = 37.78 °C
100 K = - 173.15 °C
100 °C

Comparing the three values, we see that 100°C has the highest temperature while the lowest is 100 K. The temperature 100 K is the coldest one.