Because in winter 1 habitat might get too cold so the bird might have to move to a warmer habitat in winter
the answer is Natural energy resources are nonrenewable and are being depleted.
Answer:
Water is Polar
Explanation:
There is no overall charge to a water molecule, but there is a slight positive charge on each hydrogen atom and slight negative charge on the oxygen atom.
Answer:
Coprolites are the type of fossils which can tell the scientist what dinosaurs ate.
Explanation:
A Coprolites is fossilized faeces.They are classified as trace fossils as opposed to body fossils as they give evidence for the animal's behaviour rather than morphology.This name is derived from Greek words.They were first described by William Buckland in 1829.
Answer: option D
The sodium potassium ion exchange move sodium and potassium in opposite direction in electrochemical gradients.
Explanation:
The sodium potassium pump is found in many animals plasma membranes and its moves the sodium and potassium ion in opposite direction across the plasma membrane with the hydrolysis of ATP(adenosine triphosphate) to supply the needed energy. It is an active transport process.
