Answer:
The periodic table _____.
1. is arranged by atomic mass
2. is arranged by number of protons
3. was developed by early alchemists
4. is divided into vertical periods and horizontal groups
Explanation:
The dendrites receive incoming signals while axons propagate signals away from the neuron cell body. The myelin sheath surrounds and insulates the axon.
DNA is most compacted when coiled to form the shape of chromosomes in the nucleus.
Density = mass/volume
Density = 1250 g/560 mL
D ≈ 2.23 g/mL (rounded to the nearest hundredth)
I hope this helps :)