Answer:
the correct answer is A hope this helps
Answer:
A shortage of nutrients would cause sickness and death to organisms in an ecosystem.
Explanation:
When nutrients are scarce, organism populations decline; when they are substantial, those populations increase.
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Answer:
Antibiotics have helped in a speedy recovery for human illnesses over the past century.
Explanation:
Because anti biotics were not present centuries ago, many would get sick and even die. However, antibiotics work by affecting things that bacterial cells have but human cells don't. This helps to fight off the bacterial cells and fight infections and viruses, leading to a speedy recovery.
