Recent studies indicate that the addition of iron to areas of the ocean could increase productivity. increased productivity could be beneficial for many reasons. what may be one of the largest negative impacts that could occur with “fertilizing the oceans with iron”?

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.

All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water

Sean has a bag with 15 marbles. six of the marbles are red and 9 are blue. if sean draws one marble from the bag the probability of drawing a red marble is