One thing that all producers have in common is : a. oxygen b. water c. carbon dioxide

What is the primary goal of human communities?

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

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?