Answer:
b, ions
Explanation:
Poteassium and sodium in their ion molecular form in the axon of a neuron as they are are used in proton pumps to aid in the movement of neurons.
One year. It takes 365 days for Earth to orbit the sun.
Answer:
f
Explanation:
It is variation because not all individuals are the same, and this may be due to the genetics they have
B- Electron transport chain
Answer:
Explanation:
Why are layers of rocks related to each other?
Layering, or bedding, is the most obvious feature of sedimentary rocks. ... This Law of Superposition is fundamental to the interpretation of Earth history, because at any one location it indicates the relative ages of rock layers and the fossils in them. Layered rocks form when particles settle from water or air.