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

How is the composition of a meteorite relevant to finding out the composition of earth's core?

The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays