Which of the following is a form of active transport? a) sodium-potassium pump b) simple diffusion c)osmosis and why?

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.