If labor in Australia is less productive than labor in the Philippines can both countries still benefit from trade?

With the use/abuse of alcohol, the heart is more efficient in the use of nutrients by the heart tissue.

Which of the following is not true about hydroelectricity a. use of gravitational force of flowing water b. its the most widely used renewable energy c. it has a high output of co2 that fossil fuels d. it has no direct waste asap

98 points! include an answer and in advance!