The 2nd one. as it is the only way be that makes sense.
The population decays by a factor of (1/2 )^1/4 every hour.
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Exponential Function</h3>
An exponential function is in the form:
y = abˣ
Where a is the initial value of y, b is the multiplier, y and x are variables.
Let y represent the bacteria population after x hours.
A bacteria population decreases by a factor of 1/2 every 4 hours.

The population decays by a factor of (1/2 )^1/4 every hour.
Find out more on Exponential Function at: brainly.com/question/12940982
Some of the consequences are that many of the animals especially lions fishes elephants might die. more people will die due to contamination in the air especially in the city of los angeles,mexico city,beijing,tokyo and other huge populated cities. oceans mite rise such as in places in miami florida new york city amsterdam in the netherlands and in venice italy and we lost many islands i n the pacific island due to seas rises in the past 10 years such as nuatumbu island
B: sediments melt deep beneath earth's surface