Are cellular macromolecules containing hydrogen, oxygen, nitrogen, carbon and phosphorous.

Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

Select the correct answer. in the image, if the washcloth represents consumed food, which organ of the digestive system correctly represents the action performed by the hands? hands squeezing water from a washcloth a. esophagus b. large intestine c. liver d. mouth

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope