Draw a noncyclic amp molecule after it has dissolved in

What are the four basic classes of organic molecules how do they differ structurally and functionally

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Explain how scientists use geologic time to determine the age of landforms.