Which best describes glucose?
A. an ingredient used in photosynthesis
B. a sugar found in dairy products
C. food plants make, an energy-giving sugar
D. sugar that heterotrophs make

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h