If disease-causing microbes have a negative impact on humans, then disease causing microbes have what type of impact on humans? Answer choices: - toxins - neutral - negative - Roundworms - Annelids - positive - heterotrophs - beneficial
negative

If telephones use radio waves for communication, then what waves does a telephone use? Answer choices: - unique - power - energy - fibers - sound - strong - Radio - two
Radio

If molecules build cells, then what build cells? Answer choices: - bushes - roots - insects - layers of fat - ferns - fungi - molecules - Most plants
molecules