What is the responsibility of a scientist

Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem

Which sequence correctly shows the path of carbon dioxide during repiration?

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit