I now chlorophyll is the main compound (or one of them) and I'm pretty sure chlorophyll is a protein so I'd pick "D".
Eukaryotic cells are cells that have all of the different kinds of organelles, like the nucleus. Also they at the cells that make up animals.
The geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
<h3>What does geological age mean?</h3>
The expression geological age refers to the relative age of a given rock and or fossil (i.e. a piece or trace of dead organism) in a geological time scale.
In conclusion, the geologic features that help scientists to determine the relative ages of rocks by their positions include index fossils, intrusions, and cross-cutting relationships (Option d).
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It consists of the alveolar wall, the capillary wall, and their basement membranes.
Answer:
Correct answer is A since it is the only one that is oppositely faced and the shape of the boxes is same.
