You don't have the answer choices but if there were no decomposers within an ecosystem, some plants could die due to a shortage of nutrients
.
Answer:
First question: Choice A
second question:Choice D
Third question: Choice c
Fourth question: Choise b
5th Question: choice b
You use the distributive property.
9 times v = 9v
9 times -4 = -36
Therefore the answer is
9v-36
3:1 ratio meaning for every 3 brown eyed people there are 1 blue eyed. So if you have 12 brown every you have 4 blue eyed. Giving you a total of 16 people.