Heterotrophic organisms used the process of fermentation to nourish. what is fermentation? it is a chemical process that requires oxygen. it is a chemical process in which sugar molasses is ingested. it is a chemical process which enables heterotrophs to obtain energy without oxygen

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

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

What is any method of measuring the age of an object or event in years, such as using atomic half-life?