The environmental threat in Japan and Korea that threatens food security is: B. soil erosion.
<h3>What is Soil Erosion?</h3>
Soil erosion can be defined as the washing away of the top soil that supports plants growth and also contains vital nutrients for plants growth.
Crops are grown majorly on land. The disruption of soil nutrients by soil erosion poses a serious environmental threat to food security in both Japan and Korea. Therefore, the answer is: B. soil erosion.
Learn more about soil erosion on:
brainly.com/question/17905503
#SPJ1
m=90
hope i helped! (sorry if wrong)
Answer:
Option D)Neither solution is extraneous.
Step-by-step explanation:
we have
we know that
two possible solutions are x=-7 and x=1
<u><em>Verify each solution</em></u>
Substitute each value of x in the expression above and interpret the results
1) For x=-7
----> is true
therefore
x=-7 is not a an extraneous solution
2) For x=1
----> is true
therefore
x=1 is not a an extraneous solution
therefore
Neither solution is extraneous
Answer:
72
Step-by-step explanation:
180-78-30=72
