Answer:
A scale and a tape measure.
Explanation:
Use the tape measure to get the volume and the scale to get the mass.
A. Immune system
It helps our bodies fight everything that comes in our path.
Answer:
I agree this makes complete sense
Answer:
Secondary roots are thin and spread outward.
Explanation:
Sea level - 100%
mid-level elevation - 4500M and 57%
Peak - 8850M and 33%