The telescope I feel like is one of the most important one
Explanation:
The small number behind each element symbol designates the number of atoms of each element in a chemical formula. If there is no number, it is assumed there is only one of those elements. A large number designates how many units there are of that compound.
All the lactating females in a pride suckle cubs showing no favoritism for their own offspring. The reason for this is that each lioness is enhancing her own genes' success by helping to raise her sisters' offspring. Mothers give birth to up to 6 cubs at a time but litters of 2 or 3 are more common.
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Six dears migrated, this is the answer because immigration and emigration are both acts of migration.