Ptor> pr energ q+pr - 111.4 heat input -988.2 p+qr reaction progression which kind of reaction does this graph represent? endothermic because hrxn -876.8 kj endothermic because hrxn = 876 8 kj exothermic because a hoxn -1,099 6 kj exothermic because a hrxn - 1.099.6 kj
The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase over the years. the unionid mussel population decreased because of lack of food.
Answer from: Quest
a chemical change results in a new substance being formed; whereas a physical change will result in a different state of matter
explanation:
Answer from: Quest
The answer will be +250
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