A lit candle needs to draw oxygen from the air in order to continue burning. If you limit the amount of air available, the candle's flame eventually goes out once it uses up all the oxygen. Lit candles in smaller jar stop burning first because the oxygen trapped in the jar are fewer than the ones in bigger jars.
Answer:
a. are often transmitted by fecal contaminated water and food.
Explanation:
<em>Eschericia coli</em> belongs to a group of bacteria generally referred to as fecal coliforms because they are of fecal origin.
<em>Hence, their common mode of transmission is through fecal to oral routes such as fecal contaminated food, water and any other substance that passes through the mouth.</em>
<em>E. coli </em>infections can be treated using suitable antibiotics.
The correct option is a.
The answer is Sex-Linked Traits
Sexual reproduction is a form of reproduction where two gametes fuse together. Each gamete contains half the number of chromosomes of normal cells. They are created by a specialized type of cell division, which only occurs in eukaryotic cells, known as meiosis.
So i'm gonna say that the answer is..B. helped maintain a slow rate of evolutionary change.
