Is the the Jean-baptiste Lamarck theory microevolution or macroeconomic

The transport tubes for food coming down the plants are called?

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body