The mass of a substance, which follows a continuous exponential growth model, is being studied in a lab. the doubling time for this substance was observed to be minutes. there were of the substance present at the beginning of the study.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Which statement best describes copper? a. it has a low resistance and prevents charges from moving freely. b it has a high resistance and allows charges to move freely. c. it has a high resistance and prevents charges from moving freely. d. it has a low resistance and allows charges to move freely

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?