Invasive or exotic species are one of the major threats to biodiversity. These are species that are taken from one environment and put into another environment. These species often grow out of control, outcompete, and crowd out the native species. Choose two animals mentioned in the article that may be invasive or exotic and explain how they each might damage the ecology of the Galápagos Islands. M

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Which sample at stp has the same number of atoms as 18 liters of ne at stp

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt