Use each vocabulary term in a sentence.
13. controlled study
14. environmental ethics

Controlled study:

We conducted a controlled study on the two plants.

Environmental ethics:

The man over there is all business he talks of social and environmental ethics.

Explanation:

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answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

the correct answer in apex is tissue development, i know because i just had this question