What role do plants play in an ecosystem? a. they convert sunlight into usable energy. b. they release oxygen that organisms use to breathe. c. they cause the high and low tides of the sea. d. they’re used in making synthetic cloth fibers.

Which term defines one's age as measured in years? chronological age biological age social age mental age

Most of the world's booming population growth is occurring in countries that arenot highly industrialized. the high birthrates in these countries often result inlower standards of living. which of the following would be the best solution tothis global economic problem? o a. encouraging developing countries to participate in global tradeob. creating an international seed bank to protect biodiversityoc. forming strict regulations on greenhouse gas emissionso d. establishing international agreements to prevent overfishingis it a b c d

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