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.
Answer:
an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
Explanation:
Answer:
Chromosomes are like a ball of yarn in the sense that there are multiple components that make up the structure. Genes can be in similitude of the smallest threads in the yarn and when a multitude of genes are put together they make a DNA strand or a long, thick thread of yarn. Lastly, when DNA is twisted together, it becomes bundled together, making a chromosome or a "ball of yarn".
Explanation:
Actually, it is false. P-waves arrive first and then S-waves arrive.
