Asolution that is a 4 on the ph scale is a weak acid strong acid weak base strong base

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

The two main stages of cell division are called