Molecules in the solid phase have the least amount of energy, while gas particles have the greatest amount of energy.There are space between particles of matter. The average amount of empty space between molecule gets progressively larger as a sample of matter moves from the solid to the liquid and gas phases.
Answer:
(C RNA can catalyze biological reactions and most likely appeared before DNA.
Explanation:
From my knowledge, I believe...
RNA most likely appeared before DNA and is known to be an unstable molecule.
<em>kiniwih426</em>
These changes can be natural, such as through variations in the solar cycle.
<h3>Climate history</h3>
Clam shells
2. 800,000 years ago
Ice cores
1. 150 million years ago
Oldest rocks in the world
5. 3.8 billion years ago
Tree cores
3. 10,000 years ago
Ocean sediments
4. 200 million years ago
With this information we can conclude that these changes may be natural, such as through variations in the solar cycle. But since 1800, human activities have been the main driver of climate change, mainly due to the burning of fossil fuels like coal, oil and gas.
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