This mercury-containing chemical was once found in vaccines and thought to cause autism spectrum disorder (ASD)

A) thimerosol B) thalidomide C) PDD-NOS D) thiamin


Answer: A

Biology & Microbiology

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California's most extensive ecosystem, the ____ biome, is dominated by drought-resistant, fire-adapted shrubs with

small, leathery leaves.

a. temperate deciduous forest b. prairie c. desert d. chaparral e. savannah

Biology & Microbiology

Which of the following is NOT dependent on

the others as a source of food? a. carnivores b. herbivores c. producers d. detritivores e. decomposers

Biology & Microbiology

In a neutral solution the concentration of _____.

A) hydrogen ions is equal to the concentration of hydroxide ions b) hydrogen ions is less than the concentration of hydroxide ions c) water molecules is less than the concentration of hydrogen ions d) water molecules is less than the concentration of hydroxide ions e) hydrogen ions is greater than the concentration of hydroxide ions

Biology & Microbiology

Prokaryotic organisms were the only life-forms present on earth for almost 2 billion years. Multicellular eukaryotes have only been around for about 25% of earth's history

Answer the following statement true (T) or false (F)

Biology & Microbiology