Aviral genome is studied. it is composed of 33% adenine, 28% thymine, 22% cytosine and 17% guanine. predict whether this genome is single or double stranded and whether it is dna or rna based. a) the genome is dna based and single stranded. b) the genome is dna based and double stranded. c) the genome is rna based and single stranded. d) the genome is rna based and double stranded.

european union policies. the eu's long-term objective is to achieve levels of air quality that do not result in unacceptable impacts on, and risks to, human health and the environment. eu policies aim to reduce exposure to air pollution by reducing emissions and setting limits and target values for air quality.

the main environmental problems in western europe were: energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution, solid waste, and unforeseen accidents. many environmental problems are common to most european countries.

47

explanation:

ok

the correct answer is b