2 km since they walked 5km but then walked back 3km so it would be 5 - 3 = 2
Animals break down food molecules to obtain energy.
The remains of producers are broken down by decomposers.
The remains of consumers are broken down by soil decomposers.
Answer:
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Explanation:
Epsom salts are hydrate of magnesium sulfate. The formula is MgSO_{4}.7H_{2}O. It has 7 water molecules.
Here, hydrate means it is bind to water molecules. Dehydration means removal of water molecules. Thus, Epsom salt in its complete dehydration loss all its water molecules and the remaining formula of dehydrated Epsom salt will be MgSO_{4} also known as magnesium sulfate.
Answer:
What Do Nails Do? Nails protect the sensitive tips of fingers and toes. We don't need our nails to survive, but they do support the tips of our fingers and toes, protect them from injury, and help us pick up small objects.