Which statements describe ecosystems?
1. biodiversity is one way to judge the health of an e...
Mathematics, 16.12.2019 19:31 priscymtz27
Which statements describe ecosystems?
1. biodiversity is one way to judge the health of an ecosystem.
2. ecosystems must be balanced to survive.
3. a healthy ecosystem can support an unlimited number of life forms.
4. the parts of an ecosystem exist independently and have little to do with each other.
5. people's activities sometimes improve the health of an ecosystem
6. predators play a role in balancing the earth's ecosystems.
Answers: 2
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Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0
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The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50
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