Convection . 1.occurs in fluids
2. requires physical contact between molecules
3.occurs in solids
4. is the method of heat transfer used by the Sun

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex