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What was the temperature of the Universe when the recombination took place that produced the cosmic background radiation we observe today
Membrane Permeability
The ability of a membrane to allow substances to pass through it, which can be regulated to maintain cellular homeostasis.
Acid Precipitation
Precipitation that is acidic as a result of both sulfur and nitrogen oxides forming acids when they react with water in the atmosphere.
Soil PH
A measure of the acidity or alkalinity of soil, affecting nutrient availability and microbial activity.
Essential Cations
Positively charged ions (like calcium, potassium, and magnesium) that are vital for the functioning of biological systems.
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