Doppler effect and redshift as the light coming from stars from the distance can be shifted in the same way as a pitch of sound does
Answer:
It would contain four electrons.
Explanation:
A neutral atom has equal numbers of protons and electrons. Therefore, a neutral atom with four protons will also have four electrons.
FYI an atom with four protons is an atom of the element beryllium, Be.
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The embedded proteins <u>allow specific substances to flow into the cell</u>.The phospholipid bilayer forms a stable barrier between two aqueous compartment.They embedded proteins carry the selective transportation of molecules and ensure their is cell to cell recognition.
Answer:
colder, rich in nutrients
Explanation:
fertilizes surface waters meaning they have high biological productivity
