Answer:
a food pyramid.
Explanation:
the food pyramid shows how autotrophs are at the bottom and how the top predators are at the top, in this case the eagle.
The first word could be: pairs and the second: relax
35g Mg x 1mol / 24g = 840 mol
Particles below the surface of a liquid
problem identification
hypothesis
experimentation
data collection and analysis
data interpretation
data presentation
conclusion