I think the answer should be 16 because 1×2^4=16
Mangroves<span> provide a number valuable </span>ecosystem services<span> that contribute to human well being including provisioning, regulating ,and habitat.
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You could argue with the fact that a common worker was allowed their own burial tomb. Back in ancient Egypt few were rich enough to have a Tomb built. Also the tomb seams to be a graveyard, which implies that this is a place specifically designated for the dead, which were usually not tombs but in places closer to town.
I just did it and got it correct the answer is inside the circle which is the first one. Good luck on the questions.
Grana is the term that describes stacks of thylakoids.