What change occurs during oxidation?

a. loss of electrons

b. gain of hydrogen

c. loss of oxygen

d. gain of electrons

Calibration of a measuring instrument is A) the process of breaking in the instrument when it is new. B) the process of putting oil in all the moving parts of the instrument.

What is the major supplier of freshwater? A. Streams B. Underground water C. Precipitation D. Rivers

I need a complex question about endangered species

Which conversion is the result of aerobic cellular respiration a. glucose to ATP b. ATP to glucose c. glucose to glycogen d. glycogen to lactic acid

Suppose you were instructed to add 0.2 mL of sample to 9.8 mL of diluent, but instead added 2.0 mL of sample. What was the intended dilution, and what was the actual dilution?

What trophic level in a sentence?

Bacteria are organisms that reproduce asexually how is this better for them them reproducing sexually

Part A What is a telomere? What is a telomere? the mechanism that holds two sister chromatids together the ends of linear chromosomes the site of origin of DNA replication DNA replication during telophase

Which facility is the most appropriate ems destination for a patient with sudden cardiac arrest who achieved return of spontaneous circulation in the field?

A topography map is used to study the changes in vegetation associated with different elevations. Which individual most likely uses them for this purpose? a scientist a businessman a government official a construction engineer