B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
Are based on the laws of Heredity
Answer:
When the meteor hit a caused a chain reaction which caused all that and made some cloud that was toxic.
Explanation:
Answer:
B: humans inhale oxygen from plants which is used in cellular respiration to produce water
Explanation:
Answer:
Carbohydrates are found in a wide array of both healthy and unhealthy food,bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie. They also come in a mixture of forms. The usal common and abundant forms are sugars, fibers, including starches.
Explanation: