Please HELP ASAP like fr it’s not a joke

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.

Heat of fusion= heat/mass  heat of fusion = 12.03kj/36 g= 0.3342 kj/g or 334.2 j/g

Dry-steam power plants take advantage of natural underground sources of steam. the steam is piped directly to a power plant, where it is  used  to fuel turbines and  generate  electricity. dry steam is the oldest type of power plant to  generate  electricity using  geothermal energy. hope this !